86839720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8581}}^1$

素因数の和:8626

約数の個数: 64

約数和(自身を含む): 222445440

約数和(自身を除く): 135605720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 8581, 10120, 17162, 34324, 42905, 68648, 85810, 94391, 171620, 188782, 197363, 343240, 377564, 394726, 471955, 755128, 789452, 943910, 986815, 1578904, 1887820, 1973630, 2170993, 3775640, 3947260, 4341986, 7894520, 8683972, 10854965, 17367944, 21709930, 43419860, 86839720]

約数ペア:

[(1, 86839720), (2, 43419860), (4, 21709930), (5, 17367944), (8, 10854965), (10, 8683972), (11, 7894520), (20, 4341986), (22, 3947260), (23, 3775640), (40, 2170993), (44, 1973630), (46, 1887820), (55, 1578904), (88, 986815), (92, 943910), (110, 789452), (115, 755128), (184, 471955), (220, 394726), (230, 377564), (253, 343240), (440, 197363), (460, 188782), (506, 171620), (920, 94391), (1012, 85810), (1265, 68648), (2024, 42905), (2530, 34324), (5060, 17162), (8581, 10120)]