16815160

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3209}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 38134800

約数和(自身を除く): 21319640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3209, 5240, 6418, 12836, 16045, 25672, 32090, 64180, 128360, 420379, 840758, 1681516, 2101895, 3363032, 4203790, 8407580, 16815160]

約数ペア:

[(1, 16815160), (2, 8407580), (4, 4203790), (5, 3363032), (8, 2101895), (10, 1681516), (20, 840758), (40, 420379), (131, 128360), (262, 64180), (524, 32090), (655, 25672), (1048, 16045), (1310, 12836), (2620, 6418), (3209, 5240)]