64016080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4421}}^1$

素因数の和:4615

約数の個数: 40

約数和(自身を含む): 149693544

約数和(自身を除く): 85677464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4421, 7240, 8842, 14480, 17684, 22105, 35368, 44210, 70736, 88420, 176840, 353680, 800201, 1600402, 3200804, 4001005, 6401608, 8002010, 12803216, 16004020, 32008040, 64016080]

約数ペア:

[(1, 64016080), (2, 32008040), (4, 16004020), (5, 12803216), (8, 8002010), (10, 6401608), (16, 4001005), (20, 3200804), (40, 1600402), (80, 800201), (181, 353680), (362, 176840), (724, 88420), (905, 70736), (1448, 44210), (1810, 35368), (2896, 22105), (3620, 17684), (4421, 14480), (7240, 8842)]