385764560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71971}}^1$

素因数の和:72051

約数の個数: 40

約数和(自身を含む): 910301856

約数和(自身を除く): 524537296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 71971, 143942, 287884, 359855, 575768, 719710, 1151536, 1439420, 2878840, 4822057, 5757680, 9644114, 19288228, 24110285, 38576456, 48220570, 77152912, 96441140, 192882280, 385764560]

約数ペア:

[(1, 385764560), (2, 192882280), (4, 96441140), (5, 77152912), (8, 48220570), (10, 38576456), (16, 24110285), (20, 19288228), (40, 9644114), (67, 5757680), (80, 4822057), (134, 2878840), (268, 1439420), (335, 1151536), (536, 719710), (670, 575768), (1072, 359855), (1340, 287884), (2680, 143942), (5360, 71971)]