42090568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 88704000

約数和(自身を除く): 46613432

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 79, 94, 104, 109, 158, 188, 218, 316, 376, 436, 611, 632, 872, 1027, 1222, 1417, 2054, 2444, 2834, 3713, 4108, 4888, 5123, 5668, 7426, 8216, 8611, 10246, 11336, 14852, 17222, 20492, 29704, 34444, 40984, 48269, 66599, 68888, 96538, 111943, 133198, 193076, 223886, 266396, 386152, 404717, 447772, 532792, 809434, 895544, 1618868, 3237736, 5261321, 10522642, 21045284, 42090568]

約数ペア:

[(1, 42090568), (2, 21045284), (4, 10522642), (8, 5261321), (13, 3237736), (26, 1618868), (47, 895544), (52, 809434), (79, 532792), (94, 447772), (104, 404717), (109, 386152), (158, 266396), (188, 223886), (218, 193076), (316, 133198), (376, 111943), (436, 96538), (611, 68888), (632, 66599), (872, 48269), (1027, 40984), (1222, 34444), (1417, 29704), (2054, 20492), (2444, 17222), (2834, 14852), (3713, 11336), (4108, 10246), (4888, 8611), (5123, 8216), (5668, 7426)]