99991250

素因数分解:

$2^1\times 5^4\times {\mathrm{167}}^1\times {\mathrm{479}}^1$

素因数の和:668

約数の個数: 40

約数和(自身を含む): 188939520

約数和(自身を除く): 88948270

約数列:

[1, 2, 5, 10, 25, 50, 125, 167, 250, 334, 479, 625, 835, 958, 1250, 1670, 2395, 4175, 4790, 8350, 11975, 20875, 23950, 41750, 59875, 79993, 104375, 119750, 159986, 208750, 299375, 399965, 598750, 799930, 1999825, 3999650, 9999125, 19998250, 49995625, 99991250]

約数ペア:

[(1, 99991250), (2, 49995625), (5, 19998250), (10, 9999125), (25, 3999650), (50, 1999825), (125, 799930), (167, 598750), (250, 399965), (334, 299375), (479, 208750), (625, 159986), (835, 119750), (958, 104375), (1250, 79993), (1670, 59875), (2395, 41750), (4175, 23950), (4790, 20875), (8350, 11975)]