67360000

素因数分解:

$2^8\times 5^4\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 90

約数和(自身を含む): 168416402

約数和(自身を除く): 101056402

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 421, 500, 625, 640, 800, 842, 1000, 1250, 1280, 1600, 1684, 2000, 2105, 2500, 3200, 3368, 4000, 4210, 5000, 6400, 6736, 8000, 8420, 10000, 10525, 13472, 16000, 16840, 20000, 21050, 26944, 32000, 33680, 40000, 42100, 52625, 53888, 67360, 80000, 84200, 105250, 107776, 134720, 160000, 168400, 210500, 263125, 269440, 336800, 421000, 526250, 538880, 673600, 842000, 1052500, 1347200, 1684000, 2105000, 2694400, 3368000, 4210000, 6736000, 8420000, 13472000, 16840000, 33680000, 67360000]

約数ペア:

[(1, 67360000), (2, 33680000), (4, 16840000), (5, 13472000), (8, 8420000), (10, 6736000), (16, 4210000), (20, 3368000), (25, 2694400), (32, 2105000), (40, 1684000), (50, 1347200), (64, 1052500), (80, 842000), (100, 673600), (125, 538880), (128, 526250), (160, 421000), (200, 336800), (250, 269440), (256, 263125), (320, 210500), (400, 168400), (421, 160000), (500, 134720), (625, 107776), (640, 105250), (800, 84200), (842, 80000), (1000, 67360), (1250, 53888), (1280, 52625), (1600, 42100), (1684, 40000), (2000, 33680), (2105, 32000), (2500, 26944), (3200, 21050), (3368, 20000), (4000, 16840), (4210, 16000), (5000, 13472), (6400, 10525), (6736, 10000), (8000, 8420)]