28860880

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{983}}^1$

素因数の和:1363

約数の個数: 40

約数和(自身を含む): 67352832

約数和(自身を除く): 38491952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 983, 1468, 1835, 1966, 2936, 3670, 3932, 4915, 5872, 7340, 7864, 9830, 14680, 15728, 19660, 29360, 39320, 78640, 360761, 721522, 1443044, 1803805, 2886088, 3607610, 5772176, 7215220, 14430440, 28860880]

約数ペア:

[(1, 28860880), (2, 14430440), (4, 7215220), (5, 5772176), (8, 3607610), (10, 2886088), (16, 1803805), (20, 1443044), (40, 721522), (80, 360761), (367, 78640), (734, 39320), (983, 29360), (1468, 19660), (1835, 15728), (1966, 14680), (2936, 9830), (3670, 7864), (3932, 7340), (4915, 5872)]