40289496

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:776

約数の個数: 64

約数和(自身を含む): 109105920

約数和(自身を除く): 68816424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 263, 312, 491, 526, 789, 982, 1052, 1473, 1578, 1964, 2104, 2946, 3156, 3419, 3928, 5892, 6312, 6383, 6838, 10257, 11784, 12766, 13676, 19149, 20514, 25532, 27352, 38298, 41028, 51064, 76596, 82056, 129133, 153192, 258266, 387399, 516532, 774798, 1033064, 1549596, 1678729, 3099192, 3357458, 5036187, 6714916, 10072374, 13429832, 20144748, 40289496]

約数ペア:

[(1, 40289496), (2, 20144748), (3, 13429832), (4, 10072374), (6, 6714916), (8, 5036187), (12, 3357458), (13, 3099192), (24, 1678729), (26, 1549596), (39, 1033064), (52, 774798), (78, 516532), (104, 387399), (156, 258266), (263, 153192), (312, 129133), (491, 82056), (526, 76596), (789, 51064), (982, 41028), (1052, 38298), (1473, 27352), (1578, 25532), (1964, 20514), (2104, 19149), (2946, 13676), (3156, 12766), (3419, 11784), (3928, 10257), (5892, 6838), (6312, 6383)]