28873760

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1597}}^1$

素因数の和:1725

約数の個数: 48

約数和(自身を含む): 68861016

約数和(自身を除く): 39987256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1597, 1808, 2260, 3194, 3616, 4520, 6388, 7985, 9040, 12776, 15970, 18080, 25552, 31940, 51104, 63880, 127760, 180461, 255520, 360922, 721844, 902305, 1443688, 1804610, 2887376, 3609220, 5774752, 7218440, 14436880, 28873760]

約数ペア:

[(1, 28873760), (2, 14436880), (4, 7218440), (5, 5774752), (8, 3609220), (10, 2887376), (16, 1804610), (20, 1443688), (32, 902305), (40, 721844), (80, 360922), (113, 255520), (160, 180461), (226, 127760), (452, 63880), (565, 51104), (904, 31940), (1130, 25552), (1597, 18080), (1808, 15970), (2260, 12776), (3194, 9040), (3616, 7985), (4520, 6388)]