4515920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3003

約数の個数: 40

約数和(自身を含む): 11055840

約数和(自身を除く): 6539920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2971, 5942, 11884, 14855, 23768, 29710, 47536, 56449, 59420, 112898, 118840, 225796, 237680, 282245, 451592, 564490, 903184, 1128980, 2257960, 4515920]

約数ペア:

[(1, 4515920), (2, 2257960), (4, 1128980), (5, 903184), (8, 564490), (10, 451592), (16, 282245), (19, 237680), (20, 225796), (38, 118840), (40, 112898), (76, 59420), (80, 56449), (95, 47536), (152, 29710), (190, 23768), (304, 14855), (380, 11884), (760, 5942), (1520, 2971)]