16123720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13003}}^1$

素因数の和:13045

約数の個数: 32

約数和(自身を含む): 37451520

約数和(自身を除く): 21327800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13003, 26006, 52012, 65015, 104024, 130030, 260060, 403093, 520120, 806186, 1612372, 2015465, 3224744, 4030930, 8061860, 16123720]

約数ペア:

[(1, 16123720), (2, 8061860), (4, 4030930), (5, 3224744), (8, 2015465), (10, 1612372), (20, 806186), (31, 520120), (40, 403093), (62, 260060), (124, 130030), (155, 104024), (248, 65015), (310, 52012), (620, 26006), (1240, 13003)]