12885460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3016

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 19047980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2969, 4340, 5938, 11876, 14845, 20783, 29690, 41566, 59380, 83132, 92039, 103915, 184078, 207830, 368156, 415660, 460195, 644273, 920390, 1288546, 1840780, 2577092, 3221365, 6442730, 12885460]

約数ペア:

[(1, 12885460), (2, 6442730), (4, 3221365), (5, 2577092), (7, 1840780), (10, 1288546), (14, 920390), (20, 644273), (28, 460195), (31, 415660), (35, 368156), (62, 207830), (70, 184078), (124, 103915), (140, 92039), (155, 83132), (217, 59380), (310, 41566), (434, 29690), (620, 20783), (868, 14845), (1085, 11876), (2170, 5938), (2969, 4340)]