80495591620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3191}}^1\times {\mathrm{13003}}^1$

素因数の和:16300

約数の個数: 48

約数和(自身を含む): 170850089088

約数和(自身を除く): 90354497468

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 3191, 6382, 12764, 13003, 15955, 26006, 31910, 52012, 63820, 65015, 130030, 260060, 309527, 619054, 1238108, 1261291, 1547635, 2522582, 3095270, 5045164, 6190540, 6306455, 12612910, 25225820, 41492573, 82985146, 165970292, 207462865, 414925730, 829851460, 4024779581, 8049559162, 16099118324, 20123897905, 40247795810, 80495591620]

約数ペア:

[(1, 80495591620), (2, 40247795810), (4, 20123897905), (5, 16099118324), (10, 8049559162), (20, 4024779581), (97, 829851460), (194, 414925730), (388, 207462865), (485, 165970292), (970, 82985146), (1940, 41492573), (3191, 25225820), (6382, 12612910), (12764, 6306455), (13003, 6190540), (15955, 5045164), (26006, 3095270), (31910, 2522582), (52012, 1547635), (63820, 1261291), (65015, 1238108), (130030, 619054), (260060, 309527)]