87668750

素因数分解:

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

素因数の和:136

約数の個数: 72

約数和(自身を含む): 180129096

約数和(自身を除く): 92460346

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 125, 130, 166, 169, 250, 325, 338, 415, 625, 650, 830, 845, 1079, 1250, 1625, 1690, 2075, 2158, 3125, 3250, 4150, 4225, 5395, 6250, 8125, 8450, 10375, 10790, 14027, 16250, 20750, 21125, 26975, 28054, 40625, 42250, 51875, 53950, 70135, 81250, 103750, 105625, 134875, 140270, 211250, 259375, 269750, 350675, 518750, 528125, 674375, 701350, 1056250, 1348750, 1753375, 3371875, 3506750, 6743750, 8766875, 17533750, 43834375, 87668750]

約数ペア:

[(1, 87668750), (2, 43834375), (5, 17533750), (10, 8766875), (13, 6743750), (25, 3506750), (26, 3371875), (50, 1753375), (65, 1348750), (83, 1056250), (125, 701350), (130, 674375), (166, 528125), (169, 518750), (250, 350675), (325, 269750), (338, 259375), (415, 211250), (625, 140270), (650, 134875), (830, 105625), (845, 103750), (1079, 81250), (1250, 70135), (1625, 53950), (1690, 51875), (2075, 42250), (2158, 40625), (3125, 28054), (3250, 26975), (4150, 21125), (4225, 20750), (5395, 16250), (6250, 14027), (8125, 10790), (8450, 10375)]