12707500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 120

約数和(自身を含む): 33064416

約数和(自身を除く): 20356916

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 25, 26, 34, 46, 50, 52, 65, 68, 85, 92, 100, 115, 125, 130, 170, 221, 230, 250, 260, 299, 325, 340, 391, 425, 442, 460, 500, 575, 598, 625, 650, 782, 850, 884, 1105, 1150, 1196, 1250, 1300, 1495, 1564, 1625, 1700, 1955, 2125, 2210, 2300, 2500, 2875, 2990, 3250, 3910, 4250, 4420, 5083, 5525, 5750, 5980, 6500, 7475, 7820, 8125, 8500, 9775, 10166, 10625, 11050, 11500, 14375, 14950, 16250, 19550, 20332, 21250, 22100, 25415, 27625, 28750, 29900, 32500, 37375, 39100, 42500, 48875, 50830, 55250, 57500, 74750, 97750, 101660, 110500, 127075, 138125, 149500, 186875, 195500, 244375, 254150, 276250, 373750, 488750, 508300, 552500, 635375, 747500, 977500, 1270750, 2541500, 3176875, 6353750, 12707500]

約数ペア:

[(1, 12707500), (2, 6353750), (4, 3176875), (5, 2541500), (10, 1270750), (13, 977500), (17, 747500), (20, 635375), (23, 552500), (25, 508300), (26, 488750), (34, 373750), (46, 276250), (50, 254150), (52, 244375), (65, 195500), (68, 186875), (85, 149500), (92, 138125), (100, 127075), (115, 110500), (125, 101660), (130, 97750), (170, 74750), (221, 57500), (230, 55250), (250, 50830), (260, 48875), (299, 42500), (325, 39100), (340, 37375), (391, 32500), (425, 29900), (442, 28750), (460, 27625), (500, 25415), (575, 22100), (598, 21250), (625, 20332), (650, 19550), (782, 16250), (850, 14950), (884, 14375), (1105, 11500), (1150, 11050), (1196, 10625), (1250, 10166), (1300, 9775), (1495, 8500), (1564, 8125), (1625, 7820), (1700, 7475), (1955, 6500), (2125, 5980), (2210, 5750), (2300, 5525), (2500, 5083), (2875, 4420), (2990, 4250), (3250, 3910)]