54811780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 117976320

約数和(自身を除く): 63164540

約数列:

[1, 2, 4, 5, 10, 20, 79, 113, 158, 226, 307, 316, 395, 452, 565, 614, 790, 1130, 1228, 1535, 1580, 2260, 3070, 6140, 8927, 17854, 24253, 34691, 35708, 44635, 48506, 69382, 89270, 97012, 121265, 138764, 173455, 178540, 242530, 346910, 485060, 693820, 2740589, 5481178, 10962356, 13702945, 27405890, 54811780]

約数ペア:

[(1, 54811780), (2, 27405890), (4, 13702945), (5, 10962356), (10, 5481178), (20, 2740589), (79, 693820), (113, 485060), (158, 346910), (226, 242530), (307, 178540), (316, 173455), (395, 138764), (452, 121265), (565, 97012), (614, 89270), (790, 69382), (1130, 48506), (1228, 44635), (1535, 35708), (1580, 34691), (2260, 24253), (3070, 17854), (6140, 8927)]