78349280

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3119}}^1$

素因数の和:3291

約数の個数: 48

約数和(自身を含む): 186338880

約数和(自身を除く): 107989600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 785, 1256, 1570, 2512, 3119, 3140, 5024, 6238, 6280, 12476, 12560, 15595, 24952, 25120, 31190, 49904, 62380, 99808, 124760, 249520, 489683, 499040, 979366, 1958732, 2448415, 3917464, 4896830, 7834928, 9793660, 15669856, 19587320, 39174640, 78349280]

約数ペア:

[(1, 78349280), (2, 39174640), (4, 19587320), (5, 15669856), (8, 9793660), (10, 7834928), (16, 4896830), (20, 3917464), (32, 2448415), (40, 1958732), (80, 979366), (157, 499040), (160, 489683), (314, 249520), (628, 124760), (785, 99808), (1256, 62380), (1570, 49904), (2512, 31190), (3119, 25120), (3140, 24952), (5024, 15595), (6238, 12560), (6280, 12476)]