40143320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 103783680

約数和(自身を除く): 63640360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 467, 614, 934, 1228, 1535, 1868, 2149, 2335, 2456, 3070, 3269, 3736, 4298, 4670, 6140, 6538, 8596, 9340, 10745, 12280, 13076, 16345, 17192, 18680, 21490, 26152, 32690, 42980, 65380, 85960, 130760, 143369, 286738, 573476, 716845, 1003583, 1146952, 1433690, 2007166, 2867380, 4014332, 5017915, 5734760, 8028664, 10035830, 20071660, 40143320]

約数ペア:

[(1, 40143320), (2, 20071660), (4, 10035830), (5, 8028664), (7, 5734760), (8, 5017915), (10, 4014332), (14, 2867380), (20, 2007166), (28, 1433690), (35, 1146952), (40, 1003583), (56, 716845), (70, 573476), (140, 286738), (280, 143369), (307, 130760), (467, 85960), (614, 65380), (934, 42980), (1228, 32690), (1535, 26152), (1868, 21490), (2149, 18680), (2335, 17192), (2456, 16345), (3070, 13076), (3269, 12280), (3736, 10745), (4298, 9340), (4670, 8596), (6140, 6538)]