2556924020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4639}}^1$

素因数の和:4813

約数の個数: 96

約数和(自身を含む): 6385827840

約数和(自身を除く): 3828903820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 127, 140, 155, 217, 254, 310, 434, 508, 620, 635, 868, 889, 1085, 1270, 1778, 2170, 2540, 3556, 3937, 4340, 4445, 4639, 7874, 8890, 9278, 15748, 17780, 18556, 19685, 23195, 27559, 32473, 39370, 46390, 55118, 64946, 78740, 92780, 110236, 129892, 137795, 143809, 162365, 275590, 287618, 324730, 551180, 575236, 589153, 649460, 719045, 1006663, 1178306, 1438090, 2013326, 2356612, 2876180, 2945765, 4026652, 4124071, 5033315, 5891530, 8248142, 10066630, 11783060, 16496284, 18263743, 20133260, 20620355, 36527486, 41240710, 73054972, 82481420, 91318715, 127846201, 182637430, 255692402, 365274860, 511384804, 639231005, 1278462010, 2556924020]

約数ペア:

[(1, 2556924020), (2, 1278462010), (4, 639231005), (5, 511384804), (7, 365274860), (10, 255692402), (14, 182637430), (20, 127846201), (28, 91318715), (31, 82481420), (35, 73054972), (62, 41240710), (70, 36527486), (124, 20620355), (127, 20133260), (140, 18263743), (155, 16496284), (217, 11783060), (254, 10066630), (310, 8248142), (434, 5891530), (508, 5033315), (620, 4124071), (635, 4026652), (868, 2945765), (889, 2876180), (1085, 2356612), (1270, 2013326), (1778, 1438090), (2170, 1178306), (2540, 1006663), (3556, 719045), (3937, 649460), (4340, 589153), (4445, 575236), (4639, 551180), (7874, 324730), (8890, 287618), (9278, 275590), (15748, 162365), (17780, 143809), (18556, 137795), (19685, 129892), (23195, 110236), (27559, 92780), (32473, 78740), (39370, 64946), (46390, 55118)]