2558888920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{10739}}^1$

素因数の和:10817

約数の個数: 128

約数和(自身を含む): 7052313600

約数和(自身を除く): 4493424680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 92, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 370, 460, 518, 644, 740, 805, 851, 920, 1036, 1288, 1295, 1480, 1610, 1702, 2072, 2590, 3220, 3404, 4255, 5180, 5957, 6440, 6808, 8510, 10360, 10739, 11914, 17020, 21478, 23828, 29785, 34040, 42956, 47656, 53695, 59570, 75173, 85912, 107390, 119140, 150346, 214780, 238280, 246997, 300692, 375865, 397343, 429560, 493994, 601384, 751730, 794686, 987988, 1234985, 1503460, 1589372, 1728979, 1975976, 1986715, 2469970, 2781401, 3006920, 3178744, 3457958, 3973430, 4939940, 5562802, 6915916, 7946860, 8644895, 9138889, 9879880, 11125604, 13831832, 13907005, 15893720, 17289790, 18277778, 22251208, 27814010, 34579580, 36555556, 45694445, 55628020, 63972223, 69159160, 73111112, 91388890, 111256040, 127944446, 182777780, 255888892, 319861115, 365555560, 511777784, 639722230, 1279444460, 2558888920]

約数ペア:

[(1, 2558888920), (2, 1279444460), (4, 639722230), (5, 511777784), (7, 365555560), (8, 319861115), (10, 255888892), (14, 182777780), (20, 127944446), (23, 111256040), (28, 91388890), (35, 73111112), (37, 69159160), (40, 63972223), (46, 55628020), (56, 45694445), (70, 36555556), (74, 34579580), (92, 27814010), (115, 22251208), (140, 18277778), (148, 17289790), (161, 15893720), (184, 13907005), (185, 13831832), (230, 11125604), (259, 9879880), (280, 9138889), (296, 8644895), (322, 7946860), (370, 6915916), (460, 5562802), (518, 4939940), (644, 3973430), (740, 3457958), (805, 3178744), (851, 3006920), (920, 2781401), (1036, 2469970), (1288, 1986715), (1295, 1975976), (1480, 1728979), (1610, 1589372), (1702, 1503460), (2072, 1234985), (2590, 987988), (3220, 794686), (3404, 751730), (4255, 601384), (5180, 493994), (5957, 429560), (6440, 397343), (6808, 375865), (8510, 300692), (10360, 246997), (10739, 238280), (11914, 214780), (17020, 150346), (21478, 119140), (23828, 107390), (29785, 85912), (34040, 75173), (42956, 59570), (47656, 53695)]