25537850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 51793560

約数和(自身を除く): 26255710

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 101, 130, 202, 325, 389, 505, 650, 778, 1010, 1313, 1945, 2525, 2626, 3890, 5050, 5057, 6565, 9725, 10114, 13130, 19450, 25285, 32825, 39289, 50570, 65650, 78578, 126425, 196445, 252850, 392890, 510757, 982225, 1021514, 1964450, 2553785, 5107570, 12768925, 25537850]

約数ペア:

[(1, 25537850), (2, 12768925), (5, 5107570), (10, 2553785), (13, 1964450), (25, 1021514), (26, 982225), (50, 510757), (65, 392890), (101, 252850), (130, 196445), (202, 126425), (325, 78578), (389, 65650), (505, 50570), (650, 39289), (778, 32825), (1010, 25285), (1313, 19450), (1945, 13130), (2525, 10114), (2626, 9725), (3890, 6565), (5050, 5057)]