15129220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12401}}^1$

素因数の和:12471

約数の個数: 24

約数和(自身を含む): 32294808

約数和(自身を除く): 17165588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 12401, 24802, 49604, 62005, 124010, 248020, 756461, 1512922, 3025844, 3782305, 7564610, 15129220]

約数ペア:

[(1, 15129220), (2, 7564610), (4, 3782305), (5, 3025844), (10, 1512922), (20, 756461), (61, 248020), (122, 124010), (244, 62005), (305, 49604), (610, 24802), (1220, 12401)]