1277770040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{195977}}^1$

素因数の和:196151

約数の個数: 32

約数和(自身を含む): 2892635280

約数和(自身を除く): 1614865240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 195977, 391954, 783908, 979885, 1567816, 1959770, 3919540, 7839080, 31944251, 63888502, 127777004, 159721255, 255554008, 319442510, 638885020, 1277770040]

約数ペア:

[(1, 1277770040), (2, 638885020), (4, 319442510), (5, 255554008), (8, 159721255), (10, 127777004), (20, 63888502), (40, 31944251), (163, 7839080), (326, 3919540), (652, 1959770), (815, 1567816), (1304, 979885), (1630, 783908), (3260, 391954), (6520, 195977)]