2561815552

素因数分解:

$2^{10}\times {\mathrm{127}}^1\times {\mathrm{19699}}^1$

素因数の和:19846

約数の個数: 44

約数和(自身を含む): 5161715200

約数和(自身を除く): 2599899648

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 512, 1016, 1024, 2032, 4064, 8128, 16256, 19699, 32512, 39398, 65024, 78796, 130048, 157592, 315184, 630368, 1260736, 2501773, 2521472, 5003546, 5042944, 10007092, 10085888, 20014184, 20171776, 40028368, 80056736, 160113472, 320226944, 640453888, 1280907776, 2561815552]

約数ペア:

[(1, 2561815552), (2, 1280907776), (4, 640453888), (8, 320226944), (16, 160113472), (32, 80056736), (64, 40028368), (127, 20171776), (128, 20014184), (254, 10085888), (256, 10007092), (508, 5042944), (512, 5003546), (1016, 2521472), (1024, 2501773), (2032, 1260736), (4064, 630368), (8128, 315184), (16256, 157592), (19699, 130048), (32512, 78796), (39398, 65024)]