26439640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1831}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 62819280

約数和(自身を除く): 36379640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 1831, 2888, 3610, 3662, 7220, 7324, 9155, 14440, 14648, 18310, 34789, 36620, 69578, 73240, 139156, 173945, 278312, 347890, 660991, 695780, 1321982, 1391560, 2643964, 3304955, 5287928, 6609910, 13219820, 26439640]

約数ペア:

[(1, 26439640), (2, 13219820), (4, 6609910), (5, 5287928), (8, 3304955), (10, 2643964), (19, 1391560), (20, 1321982), (38, 695780), (40, 660991), (76, 347890), (95, 278312), (152, 173945), (190, 139156), (361, 73240), (380, 69578), (722, 36620), (760, 34789), (1444, 18310), (1805, 14648), (1831, 14440), (2888, 9155), (3610, 7324), (3662, 7220)]