66559940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{45589}}^1$

素因数の和:45671

約数の個数: 24

約数和(自身を含む): 141693720

約数和(自身を除く): 75133780

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 45589, 91178, 182356, 227945, 455890, 911780, 3327997, 6655994, 13311988, 16639985, 33279970, 66559940]

約数ペア:

[(1, 66559940), (2, 33279970), (4, 16639985), (5, 13311988), (10, 6655994), (20, 3327997), (73, 911780), (146, 455890), (292, 227945), (365, 182356), (730, 91178), (1460, 45589)]