64411280

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2971}}^1$

素因数の和:3255

約数の個数: 40

約数和(自身を含む): 150359424

約数和(自身を除く): 85948144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 2168, 2710, 2971, 4336, 5420, 5942, 10840, 11884, 14855, 21680, 23768, 29710, 47536, 59420, 118840, 237680, 805141, 1610282, 3220564, 4025705, 6441128, 8051410, 12882256, 16102820, 32205640, 64411280]

約数ペア:

[(1, 64411280), (2, 32205640), (4, 16102820), (5, 12882256), (8, 8051410), (10, 6441128), (16, 4025705), (20, 3220564), (40, 1610282), (80, 805141), (271, 237680), (542, 118840), (1084, 59420), (1355, 47536), (2168, 29710), (2710, 23768), (2971, 21680), (4336, 14855), (5420, 11884), (5942, 10840)]