39907640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 92707200

約数和(自身を除く): 52799560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 79, 146, 158, 173, 292, 316, 346, 365, 395, 584, 632, 692, 730, 790, 865, 1384, 1460, 1580, 1730, 2920, 3160, 3460, 5767, 6920, 11534, 12629, 13667, 23068, 25258, 27334, 28835, 46136, 50516, 54668, 57670, 63145, 68335, 101032, 109336, 115340, 126290, 136670, 230680, 252580, 273340, 505160, 546680, 997691, 1995382, 3990764, 4988455, 7981528, 9976910, 19953820, 39907640]

約数ペア:

[(1, 39907640), (2, 19953820), (4, 9976910), (5, 7981528), (8, 4988455), (10, 3990764), (20, 1995382), (40, 997691), (73, 546680), (79, 505160), (146, 273340), (158, 252580), (173, 230680), (292, 136670), (316, 126290), (346, 115340), (365, 109336), (395, 101032), (584, 68335), (632, 63145), (692, 57670), (730, 54668), (790, 50516), (865, 46136), (1384, 28835), (1460, 27334), (1580, 25258), (1730, 23068), (2920, 13667), (3160, 12629), (3460, 11534), (5767, 6920)]