49128680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 117504000

約数和(自身を除く): 68375320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 509, 635, 760, 1016, 1018, 1270, 2036, 2413, 2540, 2545, 4072, 4826, 5080, 5090, 9652, 9671, 10180, 12065, 19304, 19342, 20360, 24130, 38684, 48260, 48355, 64643, 77368, 96520, 96710, 129286, 193420, 258572, 323215, 386840, 517144, 646430, 1228217, 1292860, 2456434, 2585720, 4912868, 6141085, 9825736, 12282170, 24564340, 49128680]

約数ペア:

[(1, 49128680), (2, 24564340), (4, 12282170), (5, 9825736), (8, 6141085), (10, 4912868), (19, 2585720), (20, 2456434), (38, 1292860), (40, 1228217), (76, 646430), (95, 517144), (127, 386840), (152, 323215), (190, 258572), (254, 193420), (380, 129286), (508, 96710), (509, 96520), (635, 77368), (760, 64643), (1016, 48355), (1018, 48260), (1270, 38684), (2036, 24130), (2413, 20360), (2540, 19342), (2545, 19304), (4072, 12065), (4826, 10180), (5080, 9671), (5090, 9652)]