28700360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 70383600

約数和(自身を除く): 41683240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 569, 776, 970, 1138, 1261, 1940, 2276, 2522, 2845, 3880, 4552, 5044, 5690, 6305, 7397, 10088, 11380, 12610, 14794, 22760, 25220, 29588, 36985, 50440, 55193, 59176, 73970, 110386, 147940, 220772, 275965, 295880, 441544, 551930, 717509, 1103860, 1435018, 2207720, 2870036, 3587545, 5740072, 7175090, 14350180, 28700360]

約数ペア:

[(1, 28700360), (2, 14350180), (4, 7175090), (5, 5740072), (8, 3587545), (10, 2870036), (13, 2207720), (20, 1435018), (26, 1103860), (40, 717509), (52, 551930), (65, 441544), (97, 295880), (104, 275965), (130, 220772), (194, 147940), (260, 110386), (388, 73970), (485, 59176), (520, 55193), (569, 50440), (776, 36985), (970, 29588), (1138, 25220), (1261, 22760), (1940, 14794), (2276, 12610), (2522, 11380), (2845, 10088), (3880, 7397), (4552, 6305), (5044, 5690)]