81022240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38953}}^1$

素因数の和:38981

約数の個数: 48

約数和(自身を含む): 206144568

約数和(自身を除く): 125122328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 38953, 77906, 155812, 194765, 311624, 389530, 506389, 623248, 779060, 1012778, 1246496, 1558120, 2025556, 2531945, 3116240, 4051112, 5063890, 6232480, 8102224, 10127780, 16204448, 20255560, 40511120, 81022240]

約数ペア:

[(1, 81022240), (2, 40511120), (4, 20255560), (5, 16204448), (8, 10127780), (10, 8102224), (13, 6232480), (16, 5063890), (20, 4051112), (26, 3116240), (32, 2531945), (40, 2025556), (52, 1558120), (65, 1246496), (80, 1012778), (104, 779060), (130, 623248), (160, 506389), (208, 389530), (260, 311624), (416, 194765), (520, 155812), (1040, 77906), (2080, 38953)]