40745510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 83426112

約数和(自身を除く): 42680602

約数列:

[1, 2, 5, 10, 13, 26, 37, 43, 65, 74, 86, 130, 185, 197, 215, 370, 394, 430, 481, 559, 962, 985, 1118, 1591, 1970, 2405, 2561, 2795, 3182, 4810, 5122, 5590, 7289, 7955, 8471, 12805, 14578, 15910, 16942, 20683, 25610, 36445, 41366, 42355, 72890, 84710, 94757, 103415, 110123, 189514, 206830, 220246, 313427, 473785, 550615, 626854, 947570, 1101230, 1567135, 3134270, 4074551, 8149102, 20372755, 40745510]

約数ペア:

[(1, 40745510), (2, 20372755), (5, 8149102), (10, 4074551), (13, 3134270), (26, 1567135), (37, 1101230), (43, 947570), (65, 626854), (74, 550615), (86, 473785), (130, 313427), (185, 220246), (197, 206830), (215, 189514), (370, 110123), (394, 103415), (430, 94757), (481, 84710), (559, 72890), (962, 42355), (985, 41366), (1118, 36445), (1591, 25610), (1970, 20683), (2405, 16942), (2561, 15910), (2795, 14578), (3182, 12805), (4810, 8471), (5122, 7955), (5590, 7289)]