55328080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3821}}^1$

素因数の和:4015

約数の個数: 40

約数和(自身を含む): 129382344

約数和(自身を除く): 74054264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 3821, 7240, 7642, 14480, 15284, 19105, 30568, 38210, 61136, 76420, 152840, 305680, 691601, 1383202, 2766404, 3458005, 5532808, 6916010, 11065616, 13832020, 27664040, 55328080]

約数ペア:

[(1, 55328080), (2, 27664040), (4, 13832020), (5, 11065616), (8, 6916010), (10, 5532808), (16, 3458005), (20, 2766404), (40, 1383202), (80, 691601), (181, 305680), (362, 152840), (724, 76420), (905, 61136), (1448, 38210), (1810, 30568), (2896, 19105), (3620, 15284), (3821, 14480), (7240, 7642)]