90229520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{27509}}^1$

素因数の和:27563

約数の個数: 40

約数和(自身を含む): 214908120

約数和(自身を除く): 124678600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 27509, 55018, 110036, 137545, 220072, 275090, 440144, 550180, 1100360, 1127869, 2200720, 2255738, 4511476, 5639345, 9022952, 11278690, 18045904, 22557380, 45114760, 90229520]

約数ペア:

[(1, 90229520), (2, 45114760), (4, 22557380), (5, 18045904), (8, 11278690), (10, 9022952), (16, 5639345), (20, 4511476), (40, 2255738), (41, 2200720), (80, 1127869), (82, 1100360), (164, 550180), (205, 440144), (328, 275090), (410, 220072), (656, 137545), (820, 110036), (1640, 55018), (3280, 27509)]