66485560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87481}}^1$

素因数の和:87511

約数の個数: 32

約数和(自身を含む): 157467600

約数和(自身を除く): 90982040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87481, 174962, 349924, 437405, 699848, 874810, 1662139, 1749620, 3324278, 3499240, 6648556, 8310695, 13297112, 16621390, 33242780, 66485560]

約数ペア:

[(1, 66485560), (2, 33242780), (4, 16621390), (5, 13297112), (8, 8310695), (10, 6648556), (19, 3499240), (20, 3324278), (38, 1749620), (40, 1662139), (76, 874810), (95, 699848), (152, 437405), (190, 349924), (380, 174962), (760, 87481)]