12561291220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1933}}^1\times {\mathrm{3217}}^1$

素因数の和:5260

約数の個数: 48

約数和(自身を含む): 26661953808

約数和(自身を除く): 14100662588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1933, 2020, 3217, 3866, 6434, 7732, 9665, 12868, 16085, 19330, 32170, 38660, 64340, 195233, 324917, 390466, 649834, 780932, 976165, 1299668, 1624585, 1952330, 3249170, 3904660, 6218461, 6498340, 12436922, 24873844, 31092305, 62184610, 124369220, 628064561, 1256129122, 2512258244, 3140322805, 6280645610, 12561291220]

約数ペア:

[(1, 12561291220), (2, 6280645610), (4, 3140322805), (5, 2512258244), (10, 1256129122), (20, 628064561), (101, 124369220), (202, 62184610), (404, 31092305), (505, 24873844), (1010, 12436922), (1933, 6498340), (2020, 6218461), (3217, 3904660), (3866, 3249170), (6434, 1952330), (7732, 1624585), (9665, 1299668), (12868, 976165), (16085, 780932), (19330, 649834), (32170, 390466), (38660, 324917), (64340, 195233)]