99612500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 235031832

約数和(自身を除く): 135419332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 613, 625, 650, 1226, 1250, 1300, 1625, 2452, 2500, 3065, 3125, 3250, 6130, 6250, 6500, 7969, 8125, 12260, 12500, 15325, 15938, 16250, 30650, 31876, 32500, 39845, 40625, 61300, 76625, 79690, 81250, 153250, 159380, 162500, 199225, 306500, 383125, 398450, 766250, 796900, 996125, 1532500, 1915625, 1992250, 3831250, 3984500, 4980625, 7662500, 9961250, 19922500, 24903125, 49806250, 99612500]

約数ペア:

[(1, 99612500), (2, 49806250), (4, 24903125), (5, 19922500), (10, 9961250), (13, 7662500), (20, 4980625), (25, 3984500), (26, 3831250), (50, 1992250), (52, 1915625), (65, 1532500), (100, 996125), (125, 796900), (130, 766250), (250, 398450), (260, 383125), (325, 306500), (500, 199225), (613, 162500), (625, 159380), (650, 153250), (1226, 81250), (1250, 79690), (1300, 76625), (1625, 61300), (2452, 40625), (2500, 39845), (3065, 32500), (3125, 31876), (3250, 30650), (6130, 16250), (6250, 15938), (6500, 15325), (7969, 12500), (8125, 12260)]