25480875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 51397632

約数和(自身を除く): 25916757

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 571, 595, 875, 1275, 1713, 1785, 2125, 2625, 2855, 2975, 3997, 6375, 8565, 8925, 9707, 11991, 14275, 14875, 19985, 29121, 42825, 44625, 48535, 59955, 67949, 71375, 99925, 145605, 203847, 214125, 242675, 299775, 339745, 499625, 728025, 1019235, 1213375, 1498875, 1698725, 3640125, 5096175, 8493625, 25480875]

約数ペア:

[(1, 25480875), (3, 8493625), (5, 5096175), (7, 3640125), (15, 1698725), (17, 1498875), (21, 1213375), (25, 1019235), (35, 728025), (51, 499625), (75, 339745), (85, 299775), (105, 242675), (119, 214125), (125, 203847), (175, 145605), (255, 99925), (357, 71375), (375, 67949), (425, 59955), (525, 48535), (571, 44625), (595, 42825), (875, 29121), (1275, 19985), (1713, 14875), (1785, 14275), (2125, 11991), (2625, 9707), (2855, 8925), (2975, 8565), (3997, 6375)]