2560778870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{3673}}^1$

素因数の和:3897

約数の個数: 64

約数和(自身を含む): 5155121664

約数和(自身を除く): 2594342794

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 173, 310, 346, 403, 806, 865, 1730, 2015, 2249, 3673, 4030, 4498, 5363, 7346, 10726, 11245, 18365, 22490, 26815, 36730, 47749, 53630, 69719, 95498, 113863, 139438, 227726, 238745, 348595, 477490, 569315, 635429, 697190, 1138630, 1270858, 1480219, 2960438, 3177145, 6354290, 7401095, 8260577, 14802190, 16521154, 19698299, 39396598, 41302885, 82605770, 98491495, 196982990, 256077887, 512155774, 1280389435, 2560778870]

約数ペア:

[(1, 2560778870), (2, 1280389435), (5, 512155774), (10, 256077887), (13, 196982990), (26, 98491495), (31, 82605770), (62, 41302885), (65, 39396598), (130, 19698299), (155, 16521154), (173, 14802190), (310, 8260577), (346, 7401095), (403, 6354290), (806, 3177145), (865, 2960438), (1730, 1480219), (2015, 1270858), (2249, 1138630), (3673, 697190), (4030, 635429), (4498, 569315), (5363, 477490), (7346, 348595), (10726, 238745), (11245, 227726), (18365, 139438), (22490, 113863), (26815, 95498), (36730, 69719), (47749, 53630)]