89518780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2477}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 203988960

約数和(自身を除く): 114470180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2477, 2780, 3614, 4954, 7228, 9035, 9908, 12385, 18070, 24770, 32201, 36140, 49540, 64402, 128804, 161005, 322010, 344303, 644020, 688606, 1377212, 1721515, 3443030, 4475939, 6886060, 8951878, 17903756, 22379695, 44759390, 89518780]

約数ペア:

[(1, 89518780), (2, 44759390), (4, 22379695), (5, 17903756), (10, 8951878), (13, 6886060), (20, 4475939), (26, 3443030), (52, 1721515), (65, 1377212), (130, 688606), (139, 644020), (260, 344303), (278, 322010), (556, 161005), (695, 128804), (1390, 64402), (1807, 49540), (2477, 36140), (2780, 32201), (3614, 24770), (4954, 18070), (7228, 12385), (9035, 9908)]