29907291280

素因数分解:

$2^4\times 5^1\times {\mathrm{18287}}^1\times {\mathrm{20443}}^1$

素因数の和:38743

約数の個数: 40

約数和(自身を含む): 69541656192

約数和(自身を除く): 39634364912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18287, 20443, 36574, 40886, 73148, 81772, 91435, 102215, 146296, 163544, 182870, 204430, 292592, 327088, 365740, 408860, 731480, 817720, 1462960, 1635440, 373841141, 747682282, 1495364564, 1869205705, 2990729128, 3738411410, 5981458256, 7476822820, 14953645640, 29907291280]

約数ペア:

[(1, 29907291280), (2, 14953645640), (4, 7476822820), (5, 5981458256), (8, 3738411410), (10, 2990729128), (16, 1869205705), (20, 1495364564), (40, 747682282), (80, 373841141), (18287, 1635440), (20443, 1462960), (36574, 817720), (40886, 731480), (73148, 408860), (81772, 365740), (91435, 327088), (102215, 292592), (146296, 204430), (163544, 182870)]