80029072

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 158864832

約数和(自身を除く): 78835760

約数列:

[1, 2, 4, 8, 16, 61, 122, 167, 244, 334, 488, 491, 668, 976, 982, 1336, 1964, 2672, 3928, 7856, 10187, 20374, 29951, 40748, 59902, 81496, 81997, 119804, 162992, 163994, 239608, 327988, 479216, 655976, 1311952, 5001817, 10003634, 20007268, 40014536, 80029072]

約数ペア:

[(1, 80029072), (2, 40014536), (4, 20007268), (8, 10003634), (16, 5001817), (61, 1311952), (122, 655976), (167, 479216), (244, 327988), (334, 239608), (488, 163994), (491, 162992), (668, 119804), (976, 81997), (982, 81496), (1336, 59902), (1964, 40748), (2672, 29951), (3928, 20374), (7856, 10187)]