23904680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 55777680

約数和(自身を除く): 31873000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 97, 101, 122, 194, 202, 244, 305, 388, 404, 485, 488, 505, 610, 776, 808, 970, 1010, 1220, 1940, 2020, 2440, 3880, 4040, 5917, 6161, 9797, 11834, 12322, 19594, 23668, 24644, 29585, 30805, 39188, 47336, 48985, 49288, 59170, 61610, 78376, 97970, 118340, 123220, 195940, 236680, 246440, 391880, 597617, 1195234, 2390468, 2988085, 4780936, 5976170, 11952340, 23904680]

約数ペア:

[(1, 23904680), (2, 11952340), (4, 5976170), (5, 4780936), (8, 2988085), (10, 2390468), (20, 1195234), (40, 597617), (61, 391880), (97, 246440), (101, 236680), (122, 195940), (194, 123220), (202, 118340), (244, 97970), (305, 78376), (388, 61610), (404, 59170), (485, 49288), (488, 48985), (505, 47336), (610, 39188), (776, 30805), (808, 29585), (970, 24644), (1010, 23668), (1220, 19594), (1940, 12322), (2020, 11834), (2440, 9797), (3880, 6161), (4040, 5917)]