63648580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 138862080

約数和(自身を除く): 75213500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 251, 310, 409, 502, 620, 818, 1004, 1255, 1636, 2045, 2510, 4090, 5020, 7781, 8180, 12679, 15562, 25358, 31124, 38905, 50716, 63395, 77810, 102659, 126790, 155620, 205318, 253580, 410636, 513295, 1026590, 2053180, 3182429, 6364858, 12729716, 15912145, 31824290, 63648580]

約数ペア:

[(1, 63648580), (2, 31824290), (4, 15912145), (5, 12729716), (10, 6364858), (20, 3182429), (31, 2053180), (62, 1026590), (124, 513295), (155, 410636), (251, 253580), (310, 205318), (409, 155620), (502, 126790), (620, 102659), (818, 77810), (1004, 63395), (1255, 50716), (1636, 38905), (2045, 31124), (2510, 25358), (4090, 15562), (5020, 12679), (7781, 8180)]