25686320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 69892848

約数和(自身を除く): 44206528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 101, 110, 136, 170, 176, 187, 202, 220, 272, 289, 340, 374, 404, 440, 505, 578, 680, 748, 808, 880, 935, 1010, 1111, 1156, 1360, 1445, 1496, 1616, 1717, 1870, 2020, 2222, 2312, 2890, 2992, 3179, 3434, 3740, 4040, 4444, 4624, 5555, 5780, 6358, 6868, 7480, 8080, 8585, 8888, 11110, 11560, 12716, 13736, 14960, 15895, 17170, 17776, 18887, 22220, 23120, 25432, 27472, 29189, 31790, 34340, 37774, 44440, 50864, 58378, 63580, 68680, 75548, 88880, 94435, 116756, 127160, 137360, 145945, 151096, 188870, 233512, 254320, 291890, 302192, 321079, 377740, 467024, 583780, 642158, 755480, 1167560, 1284316, 1510960, 1605395, 2335120, 2568632, 3210790, 5137264, 6421580, 12843160, 25686320]

約数ペア:

[(1, 25686320), (2, 12843160), (4, 6421580), (5, 5137264), (8, 3210790), (10, 2568632), (11, 2335120), (16, 1605395), (17, 1510960), (20, 1284316), (22, 1167560), (34, 755480), (40, 642158), (44, 583780), (55, 467024), (68, 377740), (80, 321079), (85, 302192), (88, 291890), (101, 254320), (110, 233512), (136, 188870), (170, 151096), (176, 145945), (187, 137360), (202, 127160), (220, 116756), (272, 94435), (289, 88880), (340, 75548), (374, 68680), (404, 63580), (440, 58378), (505, 50864), (578, 44440), (680, 37774), (748, 34340), (808, 31790), (880, 29189), (935, 27472), (1010, 25432), (1111, 23120), (1156, 22220), (1360, 18887), (1445, 17776), (1496, 17170), (1616, 15895), (1717, 14960), (1870, 13736), (2020, 12716), (2222, 11560), (2312, 11110), (2890, 8888), (2992, 8585), (3179, 8080), (3434, 7480), (3740, 6868), (4040, 6358), (4444, 5780), (4624, 5555)]