16840000

素因数分解:

$2^6\times 5^4\times {\mathrm{421}}^1$

素因数の和:453

約数の個数: 70

約数和(自身を含む): 41856914

約数和(自身を除く): 25016914

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 421, 500, 625, 800, 842, 1000, 1250, 1600, 1684, 2000, 2105, 2500, 3368, 4000, 4210, 5000, 6736, 8000, 8420, 10000, 10525, 13472, 16840, 20000, 21050, 26944, 33680, 40000, 42100, 52625, 67360, 84200, 105250, 134720, 168400, 210500, 263125, 336800, 421000, 526250, 673600, 842000, 1052500, 1684000, 2105000, 3368000, 4210000, 8420000, 16840000]

約数ペア:

[(1, 16840000), (2, 8420000), (4, 4210000), (5, 3368000), (8, 2105000), (10, 1684000), (16, 1052500), (20, 842000), (25, 673600), (32, 526250), (40, 421000), (50, 336800), (64, 263125), (80, 210500), (100, 168400), (125, 134720), (160, 105250), (200, 84200), (250, 67360), (320, 52625), (400, 42100), (421, 40000), (500, 33680), (625, 26944), (800, 21050), (842, 20000), (1000, 16840), (1250, 13472), (1600, 10525), (1684, 10000), (2000, 8420), (2105, 8000), (2500, 6736), (3368, 5000), (4000, 4210)]