4065340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 9031680

約数和(自身を除く): 4966340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 83, 124, 155, 158, 166, 310, 316, 332, 395, 415, 620, 790, 830, 1580, 1660, 2449, 2573, 4898, 5146, 6557, 9796, 10292, 12245, 12865, 13114, 24490, 25730, 26228, 32785, 48980, 51460, 65570, 131140, 203267, 406534, 813068, 1016335, 2032670, 4065340]

約数ペア:

[(1, 4065340), (2, 2032670), (4, 1016335), (5, 813068), (10, 406534), (20, 203267), (31, 131140), (62, 65570), (79, 51460), (83, 48980), (124, 32785), (155, 26228), (158, 25730), (166, 24490), (310, 13114), (316, 12865), (332, 12245), (395, 10292), (415, 9796), (620, 6557), (790, 5146), (830, 4898), (1580, 2573), (1660, 2449)]