13306712080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2342731}}^1$

素因数の和:2342815

約数の個数: 40

約数和(自身を含む): 31373866944

約数和(自身を除く): 18067154864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 2342731, 4685462, 9370924, 11713655, 18741848, 23427310, 37483696, 46854620, 93709240, 166333901, 187418480, 332667802, 665335604, 831669505, 1330671208, 1663339010, 2661342416, 3326678020, 6653356040, 13306712080]

約数ペア:

[(1, 13306712080), (2, 6653356040), (4, 3326678020), (5, 2661342416), (8, 1663339010), (10, 1330671208), (16, 831669505), (20, 665335604), (40, 332667802), (71, 187418480), (80, 166333901), (142, 93709240), (284, 46854620), (355, 37483696), (568, 23427310), (710, 18741848), (1136, 11713655), (1420, 9370924), (2840, 4685462), (5680, 2342731)]