3951250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 40

約数和(自身を含む): 7731900

約数和(自身を除く): 3780650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 109, 125, 145, 218, 250, 290, 545, 625, 725, 1090, 1250, 1450, 2725, 3161, 3625, 5450, 6322, 7250, 13625, 15805, 18125, 27250, 31610, 36250, 68125, 79025, 136250, 158050, 395125, 790250, 1975625, 3951250]

約数ペア:

[(1, 3951250), (2, 1975625), (5, 790250), (10, 395125), (25, 158050), (29, 136250), (50, 79025), (58, 68125), (109, 36250), (125, 31610), (145, 27250), (218, 18125), (250, 15805), (290, 13625), (545, 7250), (625, 6322), (725, 5450), (1090, 3625), (1250, 3161), (1450, 2725)]