13122500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 60

約数和(自身を含む): 29849820

約数和(自身を除く): 16727320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 181, 250, 290, 362, 500, 580, 625, 724, 725, 905, 1250, 1450, 1810, 2500, 2900, 3620, 3625, 4525, 5249, 7250, 9050, 10498, 14500, 18100, 18125, 20996, 22625, 26245, 36250, 45250, 52490, 72500, 90500, 104980, 113125, 131225, 226250, 262450, 452500, 524900, 656125, 1312250, 2624500, 3280625, 6561250, 13122500]

約数ペア:

[(1, 13122500), (2, 6561250), (4, 3280625), (5, 2624500), (10, 1312250), (20, 656125), (25, 524900), (29, 452500), (50, 262450), (58, 226250), (100, 131225), (116, 113125), (125, 104980), (145, 90500), (181, 72500), (250, 52490), (290, 45250), (362, 36250), (500, 26245), (580, 22625), (625, 20996), (724, 18125), (725, 18100), (905, 14500), (1250, 10498), (1450, 9050), (1810, 7250), (2500, 5249), (2900, 4525), (3620, 3625)]