16780240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5669}}^1$

素因数の和:5719

約数の個数: 40

約数和(自身を含む): 40075560

約数和(自身を除く): 23295320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5669, 11338, 22676, 28345, 45352, 56690, 90704, 113380, 209753, 226760, 419506, 453520, 839012, 1048765, 1678024, 2097530, 3356048, 4195060, 8390120, 16780240]

約数ペア:

[(1, 16780240), (2, 8390120), (4, 4195060), (5, 3356048), (8, 2097530), (10, 1678024), (16, 1048765), (20, 839012), (37, 453520), (40, 419506), (74, 226760), (80, 209753), (148, 113380), (185, 90704), (296, 56690), (370, 45352), (592, 28345), (740, 22676), (1480, 11338), (2960, 5669)]