71738320

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11351}}^1$

素因数の和:11443

約数の個数: 40

約数和(自身を含む): 168917760

約数和(自身を除く): 97179440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 227020, 454040, 896729, 908080, 1793458, 3586916, 4483645, 7173832, 8967290, 14347664, 17934580, 35869160, 71738320]

約数ペア:

[(1, 71738320), (2, 35869160), (4, 17934580), (5, 14347664), (8, 8967290), (10, 7173832), (16, 4483645), (20, 3586916), (40, 1793458), (79, 908080), (80, 896729), (158, 454040), (316, 227020), (395, 181616), (632, 113510), (790, 90808), (1264, 56755), (1580, 45404), (3160, 22702), (6320, 11351)]