131318918860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{160145023}}^1$

素因数の和:160145073

約数の個数: 24

約数和(自身を含む): 282495822336

約数和(自身を除く): 151176903476

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 160145023, 320290046, 640580092, 800725115, 1601450230, 3202900460, 6565945943, 13131891886, 26263783772, 32829729715, 65659459430, 131318918860]

約数ペア:

[(1, 131318918860), (2, 65659459430), (4, 32829729715), (5, 26263783772), (10, 13131891886), (20, 6565945943), (41, 3202900460), (82, 1601450230), (164, 800725115), (205, 640580092), (410, 320290046), (820, 160145023)]