25340625

素因数分解:

$3^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 49356216

約数和(自身を除く): 24015591

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 53, 75, 85, 125, 153, 159, 225, 255, 265, 375, 425, 477, 625, 765, 795, 901, 1125, 1275, 1325, 1875, 2125, 2385, 2703, 3125, 3825, 3975, 4505, 5625, 6375, 6625, 8109, 9375, 10625, 11925, 13515, 19125, 19875, 22525, 28125, 31875, 33125, 40545, 53125, 59625, 67575, 95625, 99375, 112625, 159375, 165625, 202725, 298125, 337875, 478125, 496875, 563125, 1013625, 1490625, 1689375, 2815625, 5068125, 8446875, 25340625]

約数ペア:

[(1, 25340625), (3, 8446875), (5, 5068125), (9, 2815625), (15, 1689375), (17, 1490625), (25, 1013625), (45, 563125), (51, 496875), (53, 478125), (75, 337875), (85, 298125), (125, 202725), (153, 165625), (159, 159375), (225, 112625), (255, 99375), (265, 95625), (375, 67575), (425, 59625), (477, 53125), (625, 40545), (765, 33125), (795, 31875), (901, 28125), (1125, 22525), (1275, 19875), (1325, 19125), (1875, 13515), (2125, 11925), (2385, 10625), (2703, 9375), (3125, 8109), (3825, 6625), (3975, 6375), (4505, 5625)]