16820000

素因数分解:

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

素因数の和:88

約数の個数: 90

約数和(自身を含む): 42855813

約数和(自身を除く): 26035813

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 125, 145, 160, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 800, 841, 928, 1000, 1160, 1250, 1450, 1682, 2000, 2320, 2500, 2900, 3364, 3625, 4000, 4205, 4640, 5000, 5800, 6728, 7250, 8410, 10000, 11600, 13456, 14500, 16820, 18125, 20000, 21025, 23200, 26912, 29000, 33640, 36250, 42050, 58000, 67280, 72500, 84100, 105125, 116000, 134560, 145000, 168200, 210250, 290000, 336400, 420500, 525625, 580000, 672800, 841000, 1051250, 1682000, 2102500, 3364000, 4205000, 8410000, 16820000]

約数ペア:

[(1, 16820000), (2, 8410000), (4, 4205000), (5, 3364000), (8, 2102500), (10, 1682000), (16, 1051250), (20, 841000), (25, 672800), (29, 580000), (32, 525625), (40, 420500), (50, 336400), (58, 290000), (80, 210250), (100, 168200), (116, 145000), (125, 134560), (145, 116000), (160, 105125), (200, 84100), (232, 72500), (250, 67280), (290, 58000), (400, 42050), (464, 36250), (500, 33640), (580, 29000), (625, 26912), (725, 23200), (800, 21025), (841, 20000), (928, 18125), (1000, 16820), (1160, 14500), (1250, 13456), (1450, 11600), (1682, 10000), (2000, 8410), (2320, 7250), (2500, 6728), (2900, 5800), (3364, 5000), (3625, 4640), (4000, 4205)]