28150480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11351}}^1$

素因数の和:11395

約数の個数: 40

約数和(自身を含む): 67567104

約数和(自身を除く): 39416624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 227020, 351881, 454040, 703762, 908080, 1407524, 1759405, 2815048, 3518810, 5630096, 7037620, 14075240, 28150480]

約数ペア:

[(1, 28150480), (2, 14075240), (4, 7037620), (5, 5630096), (8, 3518810), (10, 2815048), (16, 1759405), (20, 1407524), (31, 908080), (40, 703762), (62, 454040), (80, 351881), (124, 227020), (155, 181616), (248, 113510), (310, 90808), (496, 56755), (620, 45404), (1240, 22702), (2480, 11351)]