16629640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13411}}^1$

素因数の和:13453

約数の個数: 32

約数和(自身を含む): 38626560

約数和(自身を除く): 21996920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13411, 26822, 53644, 67055, 107288, 134110, 268220, 415741, 536440, 831482, 1662964, 2078705, 3325928, 4157410, 8314820, 16629640]

約数ペア:

[(1, 16629640), (2, 8314820), (4, 4157410), (5, 3325928), (8, 2078705), (10, 1662964), (20, 831482), (31, 536440), (40, 415741), (62, 268220), (124, 134110), (155, 107288), (248, 67055), (310, 53644), (620, 26822), (1240, 13411)]