145436840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{88681}}^1$

素因数の和:88733

約数の個数: 32

約数和(自身を含む): 335217960

約数和(自身を除く): 189781120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 88681, 177362, 354724, 443405, 709448, 886810, 1773620, 3547240, 3635921, 7271842, 14543684, 18179605, 29087368, 36359210, 72718420, 145436840]

約数ペア:

[(1, 145436840), (2, 72718420), (4, 36359210), (5, 29087368), (8, 18179605), (10, 14543684), (20, 7271842), (40, 3635921), (41, 3547240), (82, 1773620), (164, 886810), (205, 709448), (328, 443405), (410, 354724), (820, 177362), (1640, 88681)]