28508560

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{971}}^1$

素因数の和:1351

約数の個数: 40

約数和(自身を含む): 66531456

約数和(自身を除く): 38022896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 734, 971, 1468, 1835, 1942, 2936, 3670, 3884, 4855, 5872, 7340, 7768, 9710, 14680, 15536, 19420, 29360, 38840, 77680, 356357, 712714, 1425428, 1781785, 2850856, 3563570, 5701712, 7127140, 14254280, 28508560]

約数ペア:

[(1, 28508560), (2, 14254280), (4, 7127140), (5, 5701712), (8, 3563570), (10, 2850856), (16, 1781785), (20, 1425428), (40, 712714), (80, 356357), (367, 77680), (734, 38840), (971, 29360), (1468, 19420), (1835, 15536), (1942, 14680), (2936, 9710), (3670, 7768), (3884, 7340), (4855, 5872)]