80655800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13009}}^1$

素因数の和:13056

約数の個数: 48

約数和(自身を含む): 193588800

約数和(自身を除く): 112933000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 13009, 26018, 52036, 65045, 104072, 130090, 260180, 325225, 403279, 520360, 650450, 806558, 1300900, 1613116, 2016395, 2601800, 3226232, 4032790, 8065580, 10081975, 16131160, 20163950, 40327900, 80655800]

約数ペア:

[(1, 80655800), (2, 40327900), (4, 20163950), (5, 16131160), (8, 10081975), (10, 8065580), (20, 4032790), (25, 3226232), (31, 2601800), (40, 2016395), (50, 1613116), (62, 1300900), (100, 806558), (124, 650450), (155, 520360), (200, 403279), (248, 325225), (310, 260180), (620, 130090), (775, 104072), (1240, 65045), (1550, 52036), (3100, 26018), (6200, 13009)]