3952157420

素因数分解:

$2^2\times 5^1\times {\mathrm{12613}}^1\times {\mathrm{15667}}^1$

素因数の和:28289

約数の個数: 24

約数和(自身を含む): 8300718384

約数和(自身を除く): 4348560964

約数列:

[1, 2, 4, 5, 10, 20, 12613, 15667, 25226, 31334, 50452, 62668, 63065, 78335, 126130, 156670, 252260, 313340, 197607871, 395215742, 790431484, 988039355, 1976078710, 3952157420]

約数ペア:

[(1, 3952157420), (2, 1976078710), (4, 988039355), (5, 790431484), (10, 395215742), (20, 197607871), (12613, 313340), (15667, 252260), (25226, 156670), (31334, 126130), (50452, 78335), (62668, 63065)]