23317520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7109}}^1$

素因数の和:7163

約数の個数: 40

約数和(自身を含む): 55543320

約数和(自身を除く): 32225800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7109, 14218, 28436, 35545, 56872, 71090, 113744, 142180, 284360, 291469, 568720, 582938, 1165876, 1457345, 2331752, 2914690, 4663504, 5829380, 11658760, 23317520]

約数ペア:

[(1, 23317520), (2, 11658760), (4, 5829380), (5, 4663504), (8, 2914690), (10, 2331752), (16, 1457345), (20, 1165876), (40, 582938), (41, 568720), (80, 291469), (82, 284360), (164, 142180), (205, 113744), (328, 71090), (410, 56872), (656, 35545), (820, 28436), (1640, 14218), (3280, 7109)]