26445940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 57652560

約数和(自身を除く): 31206620

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 409, 530, 610, 818, 1060, 1220, 1636, 2045, 3233, 4090, 6466, 8180, 12932, 16165, 21677, 24949, 32330, 43354, 49898, 64660, 86708, 99796, 108385, 124745, 216770, 249490, 433540, 498980, 1322297, 2644594, 5289188, 6611485, 13222970, 26445940]

約数ペア:

[(1, 26445940), (2, 13222970), (4, 6611485), (5, 5289188), (10, 2644594), (20, 1322297), (53, 498980), (61, 433540), (106, 249490), (122, 216770), (212, 124745), (244, 108385), (265, 99796), (305, 86708), (409, 64660), (530, 49898), (610, 43354), (818, 32330), (1060, 24949), (1220, 21677), (1636, 16165), (2045, 12932), (3233, 8180), (4090, 6466)]