40636400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:679

約数の個数: 120

約数和(自身を含む): 116611584

約数和(自身を除く): 75975184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 631, 644, 700, 805, 920, 1150, 1262, 1288, 1400, 1610, 1840, 2300, 2524, 2576, 2800, 3155, 3220, 4025, 4417, 4600, 5048, 6310, 6440, 8050, 8834, 9200, 10096, 12620, 12880, 14513, 15775, 16100, 17668, 22085, 25240, 29026, 31550, 32200, 35336, 44170, 50480, 58052, 63100, 64400, 70672, 72565, 88340, 101591, 110425, 116104, 126200, 145130, 176680, 203182, 220850, 232208, 252400, 290260, 353360, 362825, 406364, 441700, 507955, 580520, 725650, 812728, 883400, 1015910, 1161040, 1451300, 1625456, 1766800, 2031820, 2539775, 2902600, 4063640, 5079550, 5805200, 8127280, 10159100, 20318200, 40636400]

約数ペア:

[(1, 40636400), (2, 20318200), (4, 10159100), (5, 8127280), (7, 5805200), (8, 5079550), (10, 4063640), (14, 2902600), (16, 2539775), (20, 2031820), (23, 1766800), (25, 1625456), (28, 1451300), (35, 1161040), (40, 1015910), (46, 883400), (50, 812728), (56, 725650), (70, 580520), (80, 507955), (92, 441700), (100, 406364), (112, 362825), (115, 353360), (140, 290260), (161, 252400), (175, 232208), (184, 220850), (200, 203182), (230, 176680), (280, 145130), (322, 126200), (350, 116104), (368, 110425), (400, 101591), (460, 88340), (560, 72565), (575, 70672), (631, 64400), (644, 63100), (700, 58052), (805, 50480), (920, 44170), (1150, 35336), (1262, 32200), (1288, 31550), (1400, 29026), (1610, 25240), (1840, 22085), (2300, 17668), (2524, 16100), (2576, 15775), (2800, 14513), (3155, 12880), (3220, 12620), (4025, 10096), (4417, 9200), (4600, 8834), (5048, 8050), (6310, 6440)]