71957860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2687}}^1$

素因数の和:2812

約数の個数: 48

約数和(自身を含む): 164376576

約数和(自身を除く): 92418716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 2687, 5356, 5374, 6695, 10748, 13390, 13435, 26780, 26870, 34931, 53740, 69862, 139724, 174655, 276761, 349310, 553522, 698620, 1107044, 1383805, 2767610, 3597893, 5535220, 7195786, 14391572, 17989465, 35978930, 71957860]

約数ペア:

[(1, 71957860), (2, 35978930), (4, 17989465), (5, 14391572), (10, 7195786), (13, 5535220), (20, 3597893), (26, 2767610), (52, 1383805), (65, 1107044), (103, 698620), (130, 553522), (206, 349310), (260, 276761), (412, 174655), (515, 139724), (1030, 69862), (1339, 53740), (2060, 34931), (2678, 26870), (2687, 26780), (5356, 13435), (5374, 13390), (6695, 10748)]