28485625

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 43186176

約数和(自身を除く): 14700551

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 383, 425, 595, 625, 875, 1915, 2125, 2681, 2975, 4375, 6511, 9575, 10625, 13405, 14875, 32555, 45577, 47875, 67025, 74375, 162775, 227885, 239375, 335125, 813875, 1139425, 1675625, 4069375, 5697125, 28485625]

約数ペア:

[(1, 28485625), (5, 5697125), (7, 4069375), (17, 1675625), (25, 1139425), (35, 813875), (85, 335125), (119, 239375), (125, 227885), (175, 162775), (383, 74375), (425, 67025), (595, 47875), (625, 45577), (875, 32555), (1915, 14875), (2125, 13405), (2681, 10625), (2975, 9575), (4375, 6511)]