16215940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 37481472

約数和(自身を除く): 21265532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 1327, 2444, 2654, 3055, 5308, 6110, 6635, 12220, 13270, 17251, 26540, 34502, 62369, 69004, 86255, 124738, 172510, 249476, 311845, 345020, 623690, 810797, 1247380, 1621594, 3243188, 4053985, 8107970, 16215940]

約数ペア:

[(1, 16215940), (2, 8107970), (4, 4053985), (5, 3243188), (10, 1621594), (13, 1247380), (20, 810797), (26, 623690), (47, 345020), (52, 311845), (65, 249476), (94, 172510), (130, 124738), (188, 86255), (235, 69004), (260, 62369), (470, 34502), (611, 26540), (940, 17251), (1222, 13270), (1327, 12220), (2444, 6635), (2654, 6110), (3055, 5308)]