65915960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13619}}^1$

素因数の和:13652

約数の個数: 48

約数和(自身を含む): 163031400

約数和(自身を除く): 97115440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 13619, 27238, 54476, 68095, 108952, 136190, 149809, 272380, 299618, 544760, 599236, 749045, 1198472, 1498090, 1647899, 2996180, 3295798, 5992360, 6591596, 8239495, 13183192, 16478990, 32957980, 65915960]

約数ペア:

[(1, 65915960), (2, 32957980), (4, 16478990), (5, 13183192), (8, 8239495), (10, 6591596), (11, 5992360), (20, 3295798), (22, 2996180), (40, 1647899), (44, 1498090), (55, 1198472), (88, 749045), (110, 599236), (121, 544760), (220, 299618), (242, 272380), (440, 149809), (484, 136190), (605, 108952), (968, 68095), (1210, 54476), (2420, 27238), (4840, 13619)]