2561663680

素因数分解:

$2^6\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{3739}}^1$

素因数の和:5897

約数の個数: 56

約数和(自身を含む): 6104442960

約数和(自身を除く): 3542779280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2141, 3739, 4282, 7478, 8564, 10705, 14956, 17128, 18695, 21410, 29912, 34256, 37390, 42820, 59824, 68512, 74780, 85640, 119648, 137024, 149560, 171280, 239296, 299120, 342560, 598240, 685120, 1196480, 8005199, 16010398, 32020796, 40025995, 64041592, 80051990, 128083184, 160103980, 256166368, 320207960, 512332736, 640415920, 1280831840, 2561663680]

約数ペア:

[(1, 2561663680), (2, 1280831840), (4, 640415920), (5, 512332736), (8, 320207960), (10, 256166368), (16, 160103980), (20, 128083184), (32, 80051990), (40, 64041592), (64, 40025995), (80, 32020796), (160, 16010398), (320, 8005199), (2141, 1196480), (3739, 685120), (4282, 598240), (7478, 342560), (8564, 299120), (10705, 239296), (14956, 171280), (17128, 149560), (18695, 137024), (21410, 119648), (29912, 85640), (34256, 74780), (37390, 68512), (42820, 59824)]