39991250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:165

約数の個数: 80

約数和(自身を含む): 85022784

約数和(自身を除く): 45031534

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 107, 115, 125, 130, 214, 230, 250, 299, 325, 535, 575, 598, 625, 650, 1070, 1150, 1250, 1391, 1495, 1625, 2461, 2675, 2782, 2875, 2990, 3250, 4922, 5350, 5750, 6955, 7475, 8125, 12305, 13375, 13910, 14375, 14950, 16250, 24610, 26750, 28750, 31993, 34775, 37375, 61525, 63986, 66875, 69550, 74750, 123050, 133750, 159965, 173875, 186875, 307625, 319930, 347750, 373750, 615250, 799825, 869375, 1538125, 1599650, 1738750, 3076250, 3999125, 7998250, 19995625, 39991250]

約数ペア:

[(1, 39991250), (2, 19995625), (5, 7998250), (10, 3999125), (13, 3076250), (23, 1738750), (25, 1599650), (26, 1538125), (46, 869375), (50, 799825), (65, 615250), (107, 373750), (115, 347750), (125, 319930), (130, 307625), (214, 186875), (230, 173875), (250, 159965), (299, 133750), (325, 123050), (535, 74750), (575, 69550), (598, 66875), (625, 63986), (650, 61525), (1070, 37375), (1150, 34775), (1250, 31993), (1391, 28750), (1495, 26750), (1625, 24610), (2461, 16250), (2675, 14950), (2782, 14375), (2875, 13910), (2990, 13375), (3250, 12305), (4922, 8125), (5350, 7475), (5750, 6955)]