84435940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8011}}^1$

素因数の和:8068

約数の個数: 48

約数和(自身を含む): 193826304

約数和(自身を除く): 109390364

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 8011, 10540, 16022, 32044, 40055, 80110, 136187, 160220, 248341, 272374, 496682, 544748, 680935, 993364, 1241705, 1361870, 2483410, 2723740, 4221797, 4966820, 8443594, 16887188, 21108985, 42217970, 84435940]

約数ペア:

[(1, 84435940), (2, 42217970), (4, 21108985), (5, 16887188), (10, 8443594), (17, 4966820), (20, 4221797), (31, 2723740), (34, 2483410), (62, 1361870), (68, 1241705), (85, 993364), (124, 680935), (155, 544748), (170, 496682), (310, 272374), (340, 248341), (527, 160220), (620, 136187), (1054, 80110), (2108, 40055), (2635, 32044), (5270, 16022), (8011, 10540)]