77070640

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1489}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 179586720

約数和(自身を除く): 102516080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1489, 2588, 2978, 3235, 5176, 5956, 6470, 7445, 10352, 11912, 12940, 14890, 23824, 25880, 29780, 51760, 59560, 119120, 963383, 1926766, 3853532, 4816915, 7707064, 9633830, 15414128, 19267660, 38535320, 77070640]

約数ペア:

[(1, 77070640), (2, 38535320), (4, 19267660), (5, 15414128), (8, 9633830), (10, 7707064), (16, 4816915), (20, 3853532), (40, 1926766), (80, 963383), (647, 119120), (1294, 59560), (1489, 51760), (2588, 29780), (2978, 25880), (3235, 23824), (5176, 14890), (5956, 12940), (6470, 11912), (7445, 10352)]