22521980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 53263392

約数和(自身を除く): 30741412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 103, 116, 130, 145, 206, 260, 290, 377, 412, 515, 580, 754, 841, 1030, 1339, 1508, 1682, 1885, 2060, 2678, 2987, 3364, 3770, 4205, 5356, 5974, 6695, 7540, 8410, 10933, 11948, 13390, 14935, 16820, 21866, 26780, 29870, 38831, 43732, 54665, 59740, 77662, 86623, 109330, 155324, 173246, 194155, 218660, 346492, 388310, 433115, 776620, 866230, 1126099, 1732460, 2252198, 4504396, 5630495, 11260990, 22521980]

約数ペア:

[(1, 22521980), (2, 11260990), (4, 5630495), (5, 4504396), (10, 2252198), (13, 1732460), (20, 1126099), (26, 866230), (29, 776620), (52, 433115), (58, 388310), (65, 346492), (103, 218660), (116, 194155), (130, 173246), (145, 155324), (206, 109330), (260, 86623), (290, 77662), (377, 59740), (412, 54665), (515, 43732), (580, 38831), (754, 29870), (841, 26780), (1030, 21866), (1339, 16820), (1508, 14935), (1682, 13390), (1885, 11948), (2060, 10933), (2678, 8410), (2987, 7540), (3364, 6695), (3770, 5974), (4205, 5356)]