28960520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42589}}^1$

素因数の和:42617

約数の個数: 32

約数和(自身を含む): 68995800

約数和(自身を除く): 40035280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42589, 85178, 170356, 212945, 340712, 425890, 724013, 851780, 1448026, 1703560, 2896052, 3620065, 5792104, 7240130, 14480260, 28960520]

約数ペア:

[(1, 28960520), (2, 14480260), (4, 7240130), (5, 5792104), (8, 3620065), (10, 2896052), (17, 1703560), (20, 1448026), (34, 851780), (40, 724013), (68, 425890), (85, 340712), (136, 212945), (170, 170356), (340, 85178), (680, 42589)]