42050000

素因数分解:

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

素因数の和:91

約数の個数: 90

約数和(自身を含む): 105465906

約数和(自身を除く): 63415906

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 841, 1000, 1160, 1250, 1450, 1682, 2000, 2320, 2500, 2900, 3125, 3364, 3625, 4205, 5000, 5800, 6250, 6728, 7250, 8410, 10000, 11600, 12500, 13456, 14500, 16820, 18125, 21025, 25000, 29000, 33640, 36250, 42050, 50000, 58000, 67280, 72500, 84100, 90625, 105125, 145000, 168200, 181250, 210250, 290000, 336400, 362500, 420500, 525625, 725000, 841000, 1051250, 1450000, 1682000, 2102500, 2628125, 4205000, 5256250, 8410000, 10512500, 21025000, 42050000]

約数ペア:

[(1, 42050000), (2, 21025000), (4, 10512500), (5, 8410000), (8, 5256250), (10, 4205000), (16, 2628125), (20, 2102500), (25, 1682000), (29, 1450000), (40, 1051250), (50, 841000), (58, 725000), (80, 525625), (100, 420500), (116, 362500), (125, 336400), (145, 290000), (200, 210250), (232, 181250), (250, 168200), (290, 145000), (400, 105125), (464, 90625), (500, 84100), (580, 72500), (625, 67280), (725, 58000), (841, 50000), (1000, 42050), (1160, 36250), (1250, 33640), (1450, 29000), (1682, 25000), (2000, 21025), (2320, 18125), (2500, 16820), (2900, 14500), (3125, 13456), (3364, 12500), (3625, 11600), (4205, 10000), (5000, 8410), (5800, 7250), (6250, 6728)]