12820879870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{3659}}^1$

素因数の和:3913

約数の個数: 64

約数和(自身を含む): 24286003200

約数和(自身を除く): 11465123330

約数列:

[1, 2, 5, 10, 31, 62, 89, 127, 155, 178, 254, 310, 445, 635, 890, 1270, 2759, 3659, 3937, 5518, 7318, 7874, 11303, 13795, 18295, 19685, 22606, 27590, 36590, 39370, 56515, 113030, 113429, 226858, 325651, 350393, 464693, 567145, 651302, 700786, 929386, 1134290, 1628255, 1751965, 2323465, 3256510, 3503930, 4646930, 10095181, 14405483, 20190362, 28810966, 41357677, 50475905, 72027415, 82715354, 100951810, 144054830, 206788385, 413576770, 1282087987, 2564175974, 6410439935, 12820879870]

約数ペア:

[(1, 12820879870), (2, 6410439935), (5, 2564175974), (10, 1282087987), (31, 413576770), (62, 206788385), (89, 144054830), (127, 100951810), (155, 82715354), (178, 72027415), (254, 50475905), (310, 41357677), (445, 28810966), (635, 20190362), (890, 14405483), (1270, 10095181), (2759, 4646930), (3659, 3503930), (3937, 3256510), (5518, 2323465), (7318, 1751965), (7874, 1628255), (11303, 1134290), (13795, 929386), (18295, 700786), (19685, 651302), (22606, 567145), (27590, 464693), (36590, 350393), (39370, 325651), (56515, 226858), (113030, 113429)]