3984500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 9386832

約数和(自身を除く): 5402332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 613, 650, 1226, 1300, 1625, 2452, 3065, 3250, 6130, 6500, 7969, 12260, 15325, 15938, 30650, 31876, 39845, 61300, 76625, 79690, 153250, 159380, 199225, 306500, 398450, 796900, 996125, 1992250, 3984500]

約数ペア:

[(1, 3984500), (2, 1992250), (4, 996125), (5, 796900), (10, 398450), (13, 306500), (20, 199225), (25, 159380), (26, 153250), (50, 79690), (52, 76625), (65, 61300), (100, 39845), (125, 31876), (130, 30650), (250, 15938), (260, 15325), (325, 12260), (500, 7969), (613, 6500), (650, 6130), (1226, 3250), (1300, 3065), (1625, 2452)]