77379640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2221}}^1$

素因数の和:2312

約数の個数: 64

約数和(自身を含む): 190380960

約数和(自身を除く): 113001320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2221, 2680, 3484, 4355, 4442, 6968, 8710, 8884, 11105, 17420, 17768, 22210, 28873, 34840, 44420, 57746, 88840, 115492, 144365, 148807, 230984, 288730, 297614, 577460, 595228, 744035, 1154920, 1190456, 1488070, 1934491, 2976140, 3868982, 5952280, 7737964, 9672455, 15475928, 19344910, 38689820, 77379640]

約数ペア:

[(1, 77379640), (2, 38689820), (4, 19344910), (5, 15475928), (8, 9672455), (10, 7737964), (13, 5952280), (20, 3868982), (26, 2976140), (40, 1934491), (52, 1488070), (65, 1190456), (67, 1154920), (104, 744035), (130, 595228), (134, 577460), (260, 297614), (268, 288730), (335, 230984), (520, 148807), (536, 144365), (670, 115492), (871, 88840), (1340, 57746), (1742, 44420), (2221, 34840), (2680, 28873), (3484, 22210), (4355, 17768), (4442, 17420), (6968, 11105), (8710, 8884)]