41828920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 114278400

約数和(自身を除く): 72449480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 61, 62, 70, 79, 122, 124, 140, 155, 158, 217, 244, 248, 280, 305, 310, 316, 395, 427, 434, 488, 553, 610, 620, 632, 790, 854, 868, 1085, 1106, 1220, 1240, 1580, 1708, 1736, 1891, 2135, 2170, 2212, 2440, 2449, 2765, 3160, 3416, 3782, 4270, 4340, 4424, 4819, 4898, 5530, 7564, 8540, 8680, 9455, 9638, 9796, 11060, 12245, 13237, 15128, 17080, 17143, 18910, 19276, 19592, 22120, 24095, 24490, 26474, 33733, 34286, 37820, 38552, 48190, 48980, 52948, 66185, 67466, 68572, 75640, 85715, 96380, 97960, 105896, 132370, 134932, 137144, 149389, 168665, 171430, 192760, 264740, 269864, 298778, 337330, 342860, 529480, 597556, 674660, 685720, 746945, 1045723, 1195112, 1349320, 1493890, 2091446, 2987780, 4182892, 5228615, 5975560, 8365784, 10457230, 20914460, 41828920]

約数ペア:

[(1, 41828920), (2, 20914460), (4, 10457230), (5, 8365784), (7, 5975560), (8, 5228615), (10, 4182892), (14, 2987780), (20, 2091446), (28, 1493890), (31, 1349320), (35, 1195112), (40, 1045723), (56, 746945), (61, 685720), (62, 674660), (70, 597556), (79, 529480), (122, 342860), (124, 337330), (140, 298778), (155, 269864), (158, 264740), (217, 192760), (244, 171430), (248, 168665), (280, 149389), (305, 137144), (310, 134932), (316, 132370), (395, 105896), (427, 97960), (434, 96380), (488, 85715), (553, 75640), (610, 68572), (620, 67466), (632, 66185), (790, 52948), (854, 48980), (868, 48190), (1085, 38552), (1106, 37820), (1220, 34286), (1240, 33733), (1580, 26474), (1708, 24490), (1736, 24095), (1891, 22120), (2135, 19592), (2170, 19276), (2212, 18910), (2440, 17143), (2449, 17080), (2765, 15128), (3160, 13237), (3416, 12245), (3782, 11060), (4270, 9796), (4340, 9638), (4424, 9455), (4819, 8680), (4898, 8540), (5530, 7564)]