55781830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{2539}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 108813600

約数和(自身を除く): 53031770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 2539, 4394, 5078, 10985, 12695, 21970, 25390, 33007, 66014, 165035, 330070, 429091, 858182, 2145455, 4290910, 5578183, 11156366, 27890915, 55781830]

約数ペア:

[(1, 55781830), (2, 27890915), (5, 11156366), (10, 5578183), (13, 4290910), (26, 2145455), (65, 858182), (130, 429091), (169, 330070), (338, 165035), (845, 66014), (1690, 33007), (2197, 25390), (2539, 21970), (4394, 12695), (5078, 10985)]