55486990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3989}}^1$

素因数の和:4116

約数の個数: 32

約数和(自身を含む): 108591840

約数和(自身を除く): 53104850

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 3989, 6955, 7978, 13910, 19945, 39890, 51857, 103714, 259285, 426823, 518570, 853646, 2134115, 4268230, 5548699, 11097398, 27743495, 55486990]

約数ペア:

[(1, 55486990), (2, 27743495), (5, 11097398), (10, 5548699), (13, 4268230), (26, 2134115), (65, 853646), (107, 518570), (130, 426823), (214, 259285), (535, 103714), (1070, 51857), (1391, 39890), (2782, 19945), (3989, 13910), (6955, 7978)]