82406960

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1607}}^1$

素因数の和:2261

約数の個数: 40

約数和(自身を含む): 192014496

約数和(自身を除く): 109607536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 1607, 2564, 3205, 3214, 5128, 6410, 6428, 8035, 10256, 12820, 12856, 16070, 25640, 25712, 32140, 51280, 64280, 128560, 1030087, 2060174, 4120348, 5150435, 8240696, 10300870, 16481392, 20601740, 41203480, 82406960]

約数ペア:

[(1, 82406960), (2, 41203480), (4, 20601740), (5, 16481392), (8, 10300870), (10, 8240696), (16, 5150435), (20, 4120348), (40, 2060174), (80, 1030087), (641, 128560), (1282, 64280), (1607, 51280), (2564, 32140), (3205, 25712), (3214, 25640), (5128, 16070), (6410, 12856), (6428, 12820), (8035, 10256)]