39939140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1723}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 89785920

約数和(自身を除く): 49846780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1723, 2318, 3446, 4636, 5795, 6892, 8615, 11590, 17230, 23180, 32737, 34460, 65474, 105103, 130948, 163685, 210206, 327370, 420412, 525515, 654740, 1051030, 1996957, 2102060, 3993914, 7987828, 9984785, 19969570, 39939140]

約数ペア:

[(1, 39939140), (2, 19969570), (4, 9984785), (5, 7987828), (10, 3993914), (19, 2102060), (20, 1996957), (38, 1051030), (61, 654740), (76, 525515), (95, 420412), (122, 327370), (190, 210206), (244, 163685), (305, 130948), (380, 105103), (610, 65474), (1159, 34460), (1220, 32737), (1723, 23180), (2318, 17230), (3446, 11590), (4636, 8615), (5795, 6892)]