13307760040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4685831}}^1$

素因数の和:4685913

約数の個数: 32

約数和(自身を含む): 30364191360

約数和(自身を除く): 17056431320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4685831, 9371662, 18743324, 23429155, 37486648, 46858310, 93716620, 187433240, 332694001, 665388002, 1330776004, 1663470005, 2661552008, 3326940010, 6653880020, 13307760040]

約数ペア:

[(1, 13307760040), (2, 6653880020), (4, 3326940010), (5, 2661552008), (8, 1663470005), (10, 1330776004), (20, 665388002), (40, 332694001), (71, 187433240), (142, 93716620), (284, 46858310), (355, 37486648), (568, 23429155), (710, 18743324), (1420, 9371662), (2840, 4685831)]