40870700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 96608400

約数和(自身を除く): 55737700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 211, 260, 298, 325, 422, 596, 650, 745, 844, 1055, 1300, 1490, 1937, 2110, 2743, 2980, 3725, 3874, 4220, 5275, 5486, 7450, 7748, 9685, 10550, 10972, 13715, 14900, 19370, 21100, 27430, 31439, 38740, 48425, 54860, 62878, 68575, 96850, 125756, 137150, 157195, 193700, 274300, 314390, 408707, 628780, 785975, 817414, 1571950, 1634828, 2043535, 3143900, 4087070, 8174140, 10217675, 20435350, 40870700]

約数ペア:

[(1, 40870700), (2, 20435350), (4, 10217675), (5, 8174140), (10, 4087070), (13, 3143900), (20, 2043535), (25, 1634828), (26, 1571950), (50, 817414), (52, 785975), (65, 628780), (100, 408707), (130, 314390), (149, 274300), (211, 193700), (260, 157195), (298, 137150), (325, 125756), (422, 96850), (596, 68575), (650, 62878), (745, 54860), (844, 48425), (1055, 38740), (1300, 31439), (1490, 27430), (1937, 21100), (2110, 19370), (2743, 14900), (2980, 13715), (3725, 10972), (3874, 10550), (4220, 9685), (5275, 7748), (5486, 7450)]