30420560

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5209}}^1$

素因数の和:5295

約数の個数: 40

約数和(自身を含む): 71710440

約数和(自身を除く): 41289880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5209, 5840, 10418, 20836, 26045, 41672, 52090, 83344, 104180, 208360, 380257, 416720, 760514, 1521028, 1901285, 3042056, 3802570, 6084112, 7605140, 15210280, 30420560]

約数ペア:

[(1, 30420560), (2, 15210280), (4, 7605140), (5, 6084112), (8, 3802570), (10, 3042056), (16, 1901285), (20, 1521028), (40, 760514), (73, 416720), (80, 380257), (146, 208360), (292, 104180), (365, 83344), (584, 52090), (730, 41672), (1168, 26045), (1460, 20836), (2920, 10418), (5209, 5840)]