39717520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12109}}^1$

素因数の和:12163

約数の個数: 40

約数和(自身を含む): 94603320

約数和(自身を除く): 54885800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12109, 24218, 48436, 60545, 96872, 121090, 193744, 242180, 484360, 496469, 968720, 992938, 1985876, 2482345, 3971752, 4964690, 7943504, 9929380, 19858760, 39717520]

約数ペア:

[(1, 39717520), (2, 19858760), (4, 9929380), (5, 7943504), (8, 4964690), (10, 3971752), (16, 2482345), (20, 1985876), (40, 992938), (41, 968720), (80, 496469), (82, 484360), (164, 242180), (205, 193744), (328, 121090), (410, 96872), (656, 60545), (820, 48436), (1640, 24218), (3280, 12109)]