64342120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39233}}^1$

素因数の和:39285

約数の個数: 32

約数和(自身を含む): 148304520

約数和(自身を除く): 83962400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 39233, 78466, 156932, 196165, 313864, 392330, 784660, 1569320, 1608553, 3217106, 6434212, 8042765, 12868424, 16085530, 32171060, 64342120]

約数ペア:

[(1, 64342120), (2, 32171060), (4, 16085530), (5, 12868424), (8, 8042765), (10, 6434212), (20, 3217106), (40, 1608553), (41, 1569320), (82, 784660), (164, 392330), (205, 313864), (328, 196165), (410, 156932), (820, 78466), (1640, 39233)]