81939724100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2740459}}^1$

素因数の和:2740509

約数の個数: 72

約数和(自身を含む): 199812419520

約数和(自身を除く): 117872695420

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 1150, 1196, 1300, 1495, 2300, 2990, 5980, 7475, 14950, 29900, 2740459, 5480918, 10961836, 13702295, 27404590, 35625967, 54809180, 63030557, 68511475, 71251934, 126061114, 137022950, 142503868, 178129835, 252122228, 274045900, 315152785, 356259670, 630305570, 712519340, 819397241, 890649175, 1260611140, 1575763925, 1638794482, 1781298350, 3151527850, 3277588964, 3562596700, 4096986205, 6303055700, 8193972410, 16387944820, 20484931025, 40969862050, 81939724100]

約数ペア:

[(1, 81939724100), (2, 40969862050), (4, 20484931025), (5, 16387944820), (10, 8193972410), (13, 6303055700), (20, 4096986205), (23, 3562596700), (25, 3277588964), (26, 3151527850), (46, 1781298350), (50, 1638794482), (52, 1575763925), (65, 1260611140), (92, 890649175), (100, 819397241), (115, 712519340), (130, 630305570), (230, 356259670), (260, 315152785), (299, 274045900), (325, 252122228), (460, 178129835), (575, 142503868), (598, 137022950), (650, 126061114), (1150, 71251934), (1196, 68511475), (1300, 63030557), (1495, 54809180), (2300, 35625967), (2990, 27404590), (5980, 13702295), (7475, 10961836), (14950, 5480918), (29900, 2740459)]