25803160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20809}}^1$

素因数の和:20851

約数の個数: 32

約数和(自身を含む): 59932800

約数和(自身を除く): 34129640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20809, 41618, 83236, 104045, 166472, 208090, 416180, 645079, 832360, 1290158, 2580316, 3225395, 5160632, 6450790, 12901580, 25803160]

約数ペア:

[(1, 25803160), (2, 12901580), (4, 6450790), (5, 5160632), (8, 3225395), (10, 2580316), (20, 1290158), (31, 832360), (40, 645079), (62, 416180), (124, 208090), (155, 166472), (248, 104045), (310, 83236), (620, 41618), (1240, 20809)]