38838040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31321}}^1$

素因数の和:31363

約数の個数: 32

約数和(自身を含む): 90207360

約数和(自身を除く): 51369320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 31321, 62642, 125284, 156605, 250568, 313210, 626420, 970951, 1252840, 1941902, 3883804, 4854755, 7767608, 9709510, 19419020, 38838040]

約数ペア:

[(1, 38838040), (2, 19419020), (4, 9709510), (5, 7767608), (8, 4854755), (10, 3883804), (20, 1941902), (31, 1252840), (40, 970951), (62, 626420), (124, 313210), (155, 250568), (248, 156605), (310, 125284), (620, 62642), (1240, 31321)]