16430920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 24393080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 349, 428, 440, 535, 698, 856, 1070, 1177, 1396, 1745, 2140, 2354, 2792, 3490, 3839, 4280, 4708, 5885, 6980, 7678, 9416, 11770, 13960, 15356, 19195, 23540, 30712, 37343, 38390, 47080, 74686, 76780, 149372, 153560, 186715, 298744, 373430, 410773, 746860, 821546, 1493720, 1643092, 2053865, 3286184, 4107730, 8215460, 16430920]

約数ペア:

[(1, 16430920), (2, 8215460), (4, 4107730), (5, 3286184), (8, 2053865), (10, 1643092), (11, 1493720), (20, 821546), (22, 746860), (40, 410773), (44, 373430), (55, 298744), (88, 186715), (107, 153560), (110, 149372), (214, 76780), (220, 74686), (349, 47080), (428, 38390), (440, 37343), (535, 30712), (698, 23540), (856, 19195), (1070, 15356), (1177, 13960), (1396, 11770), (1745, 9416), (2140, 7678), (2354, 6980), (2792, 5885), (3490, 4708), (3839, 4280)]