25250250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 63752832

約数和(自身を除く): 38502582

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 131, 150, 250, 257, 262, 375, 393, 514, 655, 750, 771, 786, 1285, 1310, 1542, 1965, 2570, 3275, 3855, 3930, 6425, 6550, 7710, 9825, 12850, 16375, 19275, 19650, 32125, 32750, 33667, 38550, 49125, 64250, 67334, 96375, 98250, 101001, 168335, 192750, 202002, 336670, 505005, 841675, 1010010, 1683350, 2525025, 4208375, 5050050, 8416750, 12625125, 25250250]

約数ペア:

[(1, 25250250), (2, 12625125), (3, 8416750), (5, 5050050), (6, 4208375), (10, 2525025), (15, 1683350), (25, 1010010), (30, 841675), (50, 505005), (75, 336670), (125, 202002), (131, 192750), (150, 168335), (250, 101001), (257, 98250), (262, 96375), (375, 67334), (393, 64250), (514, 49125), (655, 38550), (750, 33667), (771, 32750), (786, 32125), (1285, 19650), (1310, 19275), (1542, 16375), (1965, 12850), (2570, 9825), (3275, 7710), (3855, 6550), (3930, 6425)]