13309020980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{64301}}^1$

素因数の和:64520

約数の個数: 48

約数和(自身を含む): 28519223040

約数和(自身を除く): 15210202060

約数列:

[1, 2, 4, 5, 10, 20, 79, 131, 158, 262, 316, 395, 524, 655, 790, 1310, 1580, 2620, 10349, 20698, 41396, 51745, 64301, 103490, 128602, 206980, 257204, 321505, 643010, 1286020, 5079779, 8423431, 10159558, 16846862, 20319116, 25398895, 33693724, 42117155, 50797790, 84234310, 101595580, 168468620, 665451049, 1330902098, 2661804196, 3327255245, 6654510490, 13309020980]

約数ペア:

[(1, 13309020980), (2, 6654510490), (4, 3327255245), (5, 2661804196), (10, 1330902098), (20, 665451049), (79, 168468620), (131, 101595580), (158, 84234310), (262, 50797790), (316, 42117155), (395, 33693724), (524, 25398895), (655, 20319116), (790, 16846862), (1310, 10159558), (1580, 8423431), (2620, 5079779), (10349, 1286020), (20698, 643010), (41396, 321505), (51745, 257204), (64301, 206980), (103490, 128602)]