1280565550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{9661}}^1$

素因数の和:9925

約数の個数: 48

約数和(自身を含む): 2609435664

約数和(自身を除く): 1328870114

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 241, 275, 482, 550, 1205, 2410, 2651, 5302, 6025, 9661, 12050, 13255, 19322, 26510, 48305, 66275, 96610, 106271, 132550, 212542, 241525, 483050, 531355, 1062710, 2328301, 2656775, 4656602, 5313550, 11641505, 23283010, 25611311, 51222622, 58207525, 116415050, 128056555, 256113110, 640282775, 1280565550]

約数ペア:

[(1, 1280565550), (2, 640282775), (5, 256113110), (10, 128056555), (11, 116415050), (22, 58207525), (25, 51222622), (50, 25611311), (55, 23283010), (110, 11641505), (241, 5313550), (275, 4656602), (482, 2656775), (550, 2328301), (1205, 1062710), (2410, 531355), (2651, 483050), (5302, 241525), (6025, 212542), (9661, 132550), (12050, 106271), (13255, 96610), (19322, 66275), (26510, 48305)]