130913620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211151}}^1$

素因数の和:211191

約数の個数: 24

約数和(自身を含む): 283788288

約数和(自身を除く): 152874668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 211151, 422302, 844604, 1055755, 2111510, 4223020, 6545681, 13091362, 26182724, 32728405, 65456810, 130913620]

約数ペア:

[(1, 130913620), (2, 65456810), (4, 32728405), (5, 26182724), (10, 13091362), (20, 6545681), (31, 4223020), (62, 2111510), (124, 1055755), (155, 844604), (310, 422302), (620, 211151)]