39156920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{88993}}^1$

素因数の和:89015

約数の個数: 32

約数和(自身を含む): 96113520

約数和(自身を除く): 56956600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 88993, 177986, 355972, 444965, 711944, 889930, 978923, 1779860, 1957846, 3559720, 3915692, 4894615, 7831384, 9789230, 19578460, 39156920]

約数ペア:

[(1, 39156920), (2, 19578460), (4, 9789230), (5, 7831384), (8, 4894615), (10, 3915692), (11, 3559720), (20, 1957846), (22, 1779860), (40, 978923), (44, 889930), (55, 711944), (88, 444965), (110, 355972), (220, 177986), (440, 88993)]