155963180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{4639}}^1$

素因数の和:4730

約数の個数: 36

約数和(自身を含む): 335778240

約数和(自身を除く): 179815060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 3362, 4639, 6724, 8405, 9278, 16810, 18556, 23195, 33620, 46390, 92780, 190199, 380398, 760796, 950995, 1901990, 3803980, 7798159, 15596318, 31192636, 38990795, 77981590, 155963180]

約数ペア:

[(1, 155963180), (2, 77981590), (4, 38990795), (5, 31192636), (10, 15596318), (20, 7798159), (41, 3803980), (82, 1901990), (164, 950995), (205, 760796), (410, 380398), (820, 190199), (1681, 92780), (3362, 46390), (4639, 33620), (6724, 23195), (8405, 18556), (9278, 16810)]