16389080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13217}}^1$

素因数の和:13259

約数の個数: 32

約数和(自身を含む): 38067840

約数和(自身を除く): 21678760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 409727, 528680, 819454, 1638908, 2048635, 3277816, 4097270, 8194540, 16389080]

約数ペア:

[(1, 16389080), (2, 8194540), (4, 4097270), (5, 3277816), (8, 2048635), (10, 1638908), (20, 819454), (31, 528680), (40, 409727), (62, 264340), (124, 132170), (155, 105736), (248, 66085), (310, 52868), (620, 26434), (1240, 13217)]