8437780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 21337344

約数和(自身を除く): 12899564

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 83, 85, 92, 115, 130, 166, 170, 221, 230, 260, 299, 332, 340, 391, 415, 442, 460, 598, 782, 830, 884, 1079, 1105, 1196, 1411, 1495, 1564, 1660, 1909, 1955, 2158, 2210, 2822, 2990, 3818, 3910, 4316, 4420, 5083, 5395, 5644, 5980, 7055, 7636, 7820, 9545, 10166, 10790, 14110, 18343, 19090, 20332, 21580, 24817, 25415, 28220, 32453, 36686, 38180, 49634, 50830, 64906, 73372, 91715, 99268, 101660, 124085, 129812, 162265, 183430, 248170, 324530, 366860, 421889, 496340, 649060, 843778, 1687556, 2109445, 4218890, 8437780]

約数ペア:

[(1, 8437780), (2, 4218890), (4, 2109445), (5, 1687556), (10, 843778), (13, 649060), (17, 496340), (20, 421889), (23, 366860), (26, 324530), (34, 248170), (46, 183430), (52, 162265), (65, 129812), (68, 124085), (83, 101660), (85, 99268), (92, 91715), (115, 73372), (130, 64906), (166, 50830), (170, 49634), (221, 38180), (230, 36686), (260, 32453), (299, 28220), (332, 25415), (340, 24817), (391, 21580), (415, 20332), (442, 19090), (460, 18343), (598, 14110), (782, 10790), (830, 10166), (884, 9545), (1079, 7820), (1105, 7636), (1196, 7055), (1411, 5980), (1495, 5644), (1564, 5395), (1660, 5083), (1909, 4420), (1955, 4316), (2158, 3910), (2210, 3818), (2822, 2990)]