61279160

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1889}}^1$

素因数の和:2711

約数の個数: 32

約数和(自身を含む): 138121200

約数和(自身を除く): 76842040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 1889, 3244, 3778, 4055, 6488, 7556, 8110, 9445, 15112, 16220, 18890, 32440, 37780, 75560, 1531979, 3063958, 6127916, 7659895, 12255832, 15319790, 30639580, 61279160]

約数ペア:

[(1, 61279160), (2, 30639580), (4, 15319790), (5, 12255832), (8, 7659895), (10, 6127916), (20, 3063958), (40, 1531979), (811, 75560), (1622, 37780), (1889, 32440), (3244, 18890), (3778, 16220), (4055, 15112), (6488, 9445), (7556, 8110)]