31768750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 70870464

約数和(自身を除く): 39101714

約数列:

[1, 2, 5, 10, 13, 17, 23, 25, 26, 34, 46, 50, 65, 85, 115, 125, 130, 170, 221, 230, 250, 299, 325, 391, 425, 442, 575, 598, 625, 650, 782, 850, 1105, 1150, 1250, 1495, 1625, 1955, 2125, 2210, 2875, 2990, 3125, 3250, 3910, 4250, 5083, 5525, 5750, 6250, 7475, 8125, 9775, 10166, 10625, 11050, 14375, 14950, 16250, 19550, 21250, 25415, 27625, 28750, 37375, 40625, 48875, 50830, 53125, 55250, 71875, 74750, 81250, 97750, 106250, 127075, 138125, 143750, 186875, 244375, 254150, 276250, 373750, 488750, 635375, 690625, 934375, 1221875, 1270750, 1381250, 1868750, 2443750, 3176875, 6353750, 15884375, 31768750]

約数ペア:

[(1, 31768750), (2, 15884375), (5, 6353750), (10, 3176875), (13, 2443750), (17, 1868750), (23, 1381250), (25, 1270750), (26, 1221875), (34, 934375), (46, 690625), (50, 635375), (65, 488750), (85, 373750), (115, 276250), (125, 254150), (130, 244375), (170, 186875), (221, 143750), (230, 138125), (250, 127075), (299, 106250), (325, 97750), (391, 81250), (425, 74750), (442, 71875), (575, 55250), (598, 53125), (625, 50830), (650, 48875), (782, 40625), (850, 37375), (1105, 28750), (1150, 27625), (1250, 25415), (1495, 21250), (1625, 19550), (1955, 16250), (2125, 14950), (2210, 14375), (2875, 11050), (2990, 10625), (3125, 10166), (3250, 9775), (3910, 8125), (4250, 7475), (5083, 6250), (5525, 5750)]