38935940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1297}}^1$

素因数の和:1404

約数の個数: 48

約数和(自身を含む): 87225600

約数和(自身を除く): 48289660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1297, 1501, 1580, 2594, 3002, 5188, 6004, 6485, 7505, 12970, 15010, 24643, 25940, 30020, 49286, 98572, 102463, 123215, 204926, 246430, 409852, 492860, 512315, 1024630, 1946797, 2049260, 3893594, 7787188, 9733985, 19467970, 38935940]

約数ペア:

[(1, 38935940), (2, 19467970), (4, 9733985), (5, 7787188), (10, 3893594), (19, 2049260), (20, 1946797), (38, 1024630), (76, 512315), (79, 492860), (95, 409852), (158, 246430), (190, 204926), (316, 123215), (380, 102463), (395, 98572), (790, 49286), (1297, 30020), (1501, 25940), (1580, 24643), (2594, 15010), (3002, 12970), (5188, 7505), (6004, 6485)]