89780990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16061}}^1$

素因数の和:16124

約数の個数: 32

約数和(自身を含む): 178095456

約数和(自身を除く): 88314466

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 16061, 32122, 80305, 160610, 208793, 417586, 690623, 1043965, 1381246, 2087930, 3453115, 6906230, 8978099, 17956198, 44890495, 89780990]

約数ペア:

[(1, 89780990), (2, 44890495), (5, 17956198), (10, 8978099), (13, 6906230), (26, 3453115), (43, 2087930), (65, 1381246), (86, 1043965), (130, 690623), (215, 417586), (430, 208793), (559, 160610), (1118, 80305), (2795, 32122), (5590, 16061)]