40548820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1879}}^1$

素因数の和:1984

約数の個数: 48

約数和(自身を含む): 92856960

約数和(自身を除く): 52308140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 1879, 2158, 3758, 4316, 5395, 7516, 9395, 10790, 18790, 21580, 24427, 37580, 48854, 97708, 122135, 155957, 244270, 311914, 488540, 623828, 779785, 1559570, 2027441, 3119140, 4054882, 8109764, 10137205, 20274410, 40548820]

約数ペア:

[(1, 40548820), (2, 20274410), (4, 10137205), (5, 8109764), (10, 4054882), (13, 3119140), (20, 2027441), (26, 1559570), (52, 779785), (65, 623828), (83, 488540), (130, 311914), (166, 244270), (260, 155957), (332, 122135), (415, 97708), (830, 48854), (1079, 37580), (1660, 24427), (1879, 21580), (2158, 18790), (3758, 10790), (4316, 9395), (5395, 7516)]