90264400

素因数分解:

$2^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1997}}^1$

素因数の和:2128

約数の個数: 60

約数和(自身を含む): 218888892

約数和(自身を除く): 128624492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 200, 226, 400, 452, 565, 904, 1130, 1808, 1997, 2260, 2825, 3994, 4520, 5650, 7988, 9040, 9985, 11300, 15976, 19970, 22600, 31952, 39940, 45200, 49925, 79880, 99850, 159760, 199700, 225661, 399400, 451322, 798800, 902644, 1128305, 1805288, 2256610, 3610576, 4513220, 5641525, 9026440, 11283050, 18052880, 22566100, 45132200, 90264400]

約数ペア:

[(1, 90264400), (2, 45132200), (4, 22566100), (5, 18052880), (8, 11283050), (10, 9026440), (16, 5641525), (20, 4513220), (25, 3610576), (40, 2256610), (50, 1805288), (80, 1128305), (100, 902644), (113, 798800), (200, 451322), (226, 399400), (400, 225661), (452, 199700), (565, 159760), (904, 99850), (1130, 79880), (1808, 49925), (1997, 45200), (2260, 39940), (2825, 31952), (3994, 22600), (4520, 19970), (5650, 15976), (7988, 11300), (9040, 9985)]