80183420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2778

約数の個数: 48

約数和(自身を含む): 179558400

約数和(自身を除く): 99374980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2671, 3002, 5342, 6004, 7505, 10684, 13355, 15010, 26710, 30020, 50749, 53420, 101498, 202996, 211009, 253745, 422018, 507490, 844036, 1014980, 1055045, 2110090, 4009171, 4220180, 8018342, 16036684, 20045855, 40091710, 80183420]

約数ペア:

[(1, 80183420), (2, 40091710), (4, 20045855), (5, 16036684), (10, 8018342), (19, 4220180), (20, 4009171), (38, 2110090), (76, 1055045), (79, 1014980), (95, 844036), (158, 507490), (190, 422018), (316, 253745), (380, 211009), (395, 202996), (790, 101498), (1501, 53420), (1580, 50749), (2671, 30020), (3002, 26710), (5342, 15010), (6004, 13355), (7505, 10684)]