10215140

素因数分解:

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

素因数の和:512

約数の個数: 48

約数和(自身を含む): 23390640

約数和(自身を除く): 13175500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 389, 404, 505, 778, 1010, 1313, 1556, 1945, 2020, 2626, 3890, 5057, 5252, 6565, 7780, 10114, 13130, 20228, 25285, 26260, 39289, 50570, 78578, 101140, 157156, 196445, 392890, 510757, 785780, 1021514, 2043028, 2553785, 5107570, 10215140]

約数ペア:

[(1, 10215140), (2, 5107570), (4, 2553785), (5, 2043028), (10, 1021514), (13, 785780), (20, 510757), (26, 392890), (52, 196445), (65, 157156), (101, 101140), (130, 78578), (202, 50570), (260, 39289), (389, 26260), (404, 25285), (505, 20228), (778, 13130), (1010, 10114), (1313, 7780), (1556, 6565), (1945, 5252), (2020, 5057), (2626, 3890)]