72309040

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3947}}^1$

素因数の和:4189

約数の個数: 40

約数和(自身を含む): 168895440

約数和(自身を除く): 96586400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 3947, 4580, 7894, 9160, 15788, 18320, 19735, 31576, 39470, 63152, 78940, 157880, 315760, 903863, 1807726, 3615452, 4519315, 7230904, 9038630, 14461808, 18077260, 36154520, 72309040]

約数ペア:

[(1, 72309040), (2, 36154520), (4, 18077260), (5, 14461808), (8, 9038630), (10, 7230904), (16, 4519315), (20, 3615452), (40, 1807726), (80, 903863), (229, 315760), (458, 157880), (916, 78940), (1145, 63152), (1832, 39470), (2290, 31576), (3664, 19735), (3947, 18320), (4580, 15788), (7894, 9160)]