89419720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{479}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 128308280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 359, 479, 520, 718, 958, 1436, 1795, 1916, 2395, 2872, 3590, 3832, 4667, 4790, 6227, 7180, 9334, 9580, 12454, 14360, 18668, 19160, 23335, 24908, 31135, 37336, 46670, 49816, 62270, 93340, 124540, 171961, 186680, 249080, 343922, 687844, 859805, 1375688, 1719610, 2235493, 3439220, 4470986, 6878440, 8941972, 11177465, 17883944, 22354930, 44709860, 89419720]

約数ペア:

[(1, 89419720), (2, 44709860), (4, 22354930), (5, 17883944), (8, 11177465), (10, 8941972), (13, 6878440), (20, 4470986), (26, 3439220), (40, 2235493), (52, 1719610), (65, 1375688), (104, 859805), (130, 687844), (260, 343922), (359, 249080), (479, 186680), (520, 171961), (718, 124540), (958, 93340), (1436, 62270), (1795, 49816), (1916, 46670), (2395, 37336), (2872, 31135), (3590, 24908), (3832, 23335), (4667, 19160), (4790, 18668), (6227, 14360), (7180, 12454), (9334, 9580)]