26650900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 62480376

約数和(自身を除く): 35829476

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 257, 305, 340, 425, 514, 610, 850, 1028, 1037, 1220, 1285, 1525, 1700, 2074, 2570, 3050, 4148, 4369, 5140, 5185, 6100, 6425, 8738, 10370, 12850, 15677, 17476, 20740, 21845, 25700, 25925, 31354, 43690, 51850, 62708, 78385, 87380, 103700, 109225, 156770, 218450, 266509, 313540, 391925, 436900, 533018, 783850, 1066036, 1332545, 1567700, 2665090, 5330180, 6662725, 13325450, 26650900]

約数ペア:

[(1, 26650900), (2, 13325450), (4, 6662725), (5, 5330180), (10, 2665090), (17, 1567700), (20, 1332545), (25, 1066036), (34, 783850), (50, 533018), (61, 436900), (68, 391925), (85, 313540), (100, 266509), (122, 218450), (170, 156770), (244, 109225), (257, 103700), (305, 87380), (340, 78385), (425, 62708), (514, 51850), (610, 43690), (850, 31354), (1028, 25925), (1037, 25700), (1220, 21845), (1285, 20740), (1525, 17476), (1700, 15677), (2074, 12850), (2570, 10370), (3050, 8738), (4148, 6425), (4369, 6100), (5140, 5185)]