838863880

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{32717}}^1$

素因数の和:33369

約数の個数: 32

約数和(自身を含む): 1890446040

約数和(自身を除く): 1051582160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 32717, 65434, 130868, 163585, 261736, 327170, 654340, 1308680, 20971597, 41943194, 83886388, 104857985, 167772776, 209715970, 419431940, 838863880]

約数ペア:

[(1, 838863880), (2, 419431940), (4, 209715970), (5, 167772776), (8, 104857985), (10, 83886388), (20, 41943194), (40, 20971597), (641, 1308680), (1282, 654340), (2564, 327170), (3205, 261736), (5128, 163585), (6410, 130868), (12820, 65434), (25640, 32717)]