128565340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1889}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 280052640

約数和(自身を除く): 151487300

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1660, 1889, 3403, 3778, 6806, 7556, 9445, 13612, 17015, 18890, 34030, 37780, 68060, 77449, 154898, 156787, 309796, 313574, 387245, 627148, 774490, 783935, 1548980, 1567870, 3135740, 6428267, 12856534, 25713068, 32141335, 64282670, 128565340]

約数ペア:

[(1, 128565340), (2, 64282670), (4, 32141335), (5, 25713068), (10, 12856534), (20, 6428267), (41, 3135740), (82, 1567870), (83, 1548980), (164, 783935), (166, 774490), (205, 627148), (332, 387245), (410, 313574), (415, 309796), (820, 156787), (830, 154898), (1660, 77449), (1889, 68060), (3403, 37780), (3778, 34030), (6806, 18890), (7556, 17015), (9445, 13612)]