90738400

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1244

約数の個数: 72

約数和(自身を含む): 223907544

約数和(自身を除く): 133169144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 800, 808, 1010, 1123, 1616, 2020, 2246, 2525, 3232, 4040, 4492, 5050, 5615, 8080, 8984, 10100, 11230, 16160, 17968, 20200, 22460, 28075, 35936, 40400, 44920, 56150, 80800, 89840, 112300, 113423, 179680, 224600, 226846, 449200, 453692, 567115, 898400, 907384, 1134230, 1814768, 2268460, 2835575, 3629536, 4536920, 5671150, 9073840, 11342300, 18147680, 22684600, 45369200, 90738400]

約数ペア:

[(1, 90738400), (2, 45369200), (4, 22684600), (5, 18147680), (8, 11342300), (10, 9073840), (16, 5671150), (20, 4536920), (25, 3629536), (32, 2835575), (40, 2268460), (50, 1814768), (80, 1134230), (100, 907384), (101, 898400), (160, 567115), (200, 453692), (202, 449200), (400, 226846), (404, 224600), (505, 179680), (800, 113423), (808, 112300), (1010, 89840), (1123, 80800), (1616, 56150), (2020, 44920), (2246, 40400), (2525, 35936), (3232, 28075), (4040, 22460), (4492, 20200), (5050, 17968), (5615, 16160), (8080, 11230), (8984, 10100)]