26529620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 61979904

約数和(自身を除く): 35450284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 167, 169, 188, 235, 260, 334, 338, 470, 611, 668, 676, 835, 845, 940, 1222, 1670, 1690, 2171, 2444, 3055, 3340, 3380, 4342, 6110, 7849, 7943, 8684, 10855, 12220, 15698, 15886, 21710, 28223, 31396, 31772, 39245, 39715, 43420, 56446, 78490, 79430, 102037, 112892, 141115, 156980, 158860, 204074, 282230, 408148, 510185, 564460, 1020370, 1326481, 2040740, 2652962, 5305924, 6632405, 13264810, 26529620]

約数ペア:

[(1, 26529620), (2, 13264810), (4, 6632405), (5, 5305924), (10, 2652962), (13, 2040740), (20, 1326481), (26, 1020370), (47, 564460), (52, 510185), (65, 408148), (94, 282230), (130, 204074), (167, 158860), (169, 156980), (188, 141115), (235, 112892), (260, 102037), (334, 79430), (338, 78490), (470, 56446), (611, 43420), (668, 39715), (676, 39245), (835, 31772), (845, 31396), (940, 28223), (1222, 21710), (1670, 15886), (1690, 15698), (2171, 12220), (2444, 10855), (3055, 8684), (3340, 7943), (3380, 7849), (4342, 6110)]