64286020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 140096880

約数和(自身を除く): 75810860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 109, 148, 185, 218, 370, 436, 545, 740, 797, 1090, 1594, 2180, 3188, 3985, 4033, 7970, 8066, 15940, 16132, 20165, 29489, 40330, 58978, 80660, 86873, 117956, 147445, 173746, 294890, 347492, 434365, 589780, 868730, 1737460, 3214301, 6428602, 12857204, 16071505, 32143010, 64286020]

約数ペア:

[(1, 64286020), (2, 32143010), (4, 16071505), (5, 12857204), (10, 6428602), (20, 3214301), (37, 1737460), (74, 868730), (109, 589780), (148, 434365), (185, 347492), (218, 294890), (370, 173746), (436, 147445), (545, 117956), (740, 86873), (797, 80660), (1090, 58978), (1594, 40330), (2180, 29489), (3188, 20165), (3985, 16132), (4033, 15940), (7970, 8066)]