42686440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6547}}^1$

素因数の和:6721

約数の個数: 32

約数和(自身を含む): 96648480

約数和(自身を除く): 53962040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 6547, 13094, 26188, 32735, 52376, 65470, 130940, 261880, 1067161, 2134322, 4268644, 5335805, 8537288, 10671610, 21343220, 42686440]

約数ペア:

[(1, 42686440), (2, 21343220), (4, 10671610), (5, 8537288), (8, 5335805), (10, 4268644), (20, 2134322), (40, 1067161), (163, 261880), (326, 130940), (652, 65470), (815, 52376), (1304, 32735), (1630, 26188), (3260, 13094), (6520, 6547)]