33680000

素因数分解:

$2^7\times 5^4\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 80

約数和(自身を含む): 84043410

約数和(自身を除く): 50363410

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 421, 500, 625, 640, 800, 842, 1000, 1250, 1600, 1684, 2000, 2105, 2500, 3200, 3368, 4000, 4210, 5000, 6736, 8000, 8420, 10000, 10525, 13472, 16000, 16840, 20000, 21050, 26944, 33680, 40000, 42100, 52625, 53888, 67360, 80000, 84200, 105250, 134720, 168400, 210500, 263125, 269440, 336800, 421000, 526250, 673600, 842000, 1052500, 1347200, 1684000, 2105000, 3368000, 4210000, 6736000, 8420000, 16840000, 33680000]

約数ペア:

[(1, 33680000), (2, 16840000), (4, 8420000), (5, 6736000), (8, 4210000), (10, 3368000), (16, 2105000), (20, 1684000), (25, 1347200), (32, 1052500), (40, 842000), (50, 673600), (64, 526250), (80, 421000), (100, 336800), (125, 269440), (128, 263125), (160, 210500), (200, 168400), (250, 134720), (320, 105250), (400, 84200), (421, 80000), (500, 67360), (625, 53888), (640, 52625), (800, 42100), (842, 40000), (1000, 33680), (1250, 26944), (1600, 21050), (1684, 20000), (2000, 16840), (2105, 16000), (2500, 13472), (3200, 10525), (3368, 10000), (4000, 8420), (4210, 8000), (5000, 6736)]