64116490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 118720080

約数和(自身を除く): 54603590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 610, 890, 1181, 2362, 5429, 5905, 10858, 11810, 27145, 54290, 72041, 105109, 144082, 210218, 360205, 525545, 720410, 1051090, 6411649, 12823298, 32058245, 64116490]

約数ペア:

[(1, 64116490), (2, 32058245), (5, 12823298), (10, 6411649), (61, 1051090), (89, 720410), (122, 525545), (178, 360205), (305, 210218), (445, 144082), (610, 105109), (890, 72041), (1181, 54290), (2362, 27145), (5429, 11810), (5905, 10858)]