202123720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163003}}^1$

素因数の和:163045

約数の個数: 32

約数和(自身を含む): 469451520

約数和(自身を除く): 267327800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 163003, 326006, 652012, 815015, 1304024, 1630030, 3260060, 5053093, 6520120, 10106186, 20212372, 25265465, 40424744, 50530930, 101061860, 202123720]

約数ペア:

[(1, 202123720), (2, 101061860), (4, 50530930), (5, 40424744), (8, 25265465), (10, 20212372), (20, 10106186), (31, 6520120), (40, 5053093), (62, 3260060), (124, 1630030), (155, 1304024), (248, 815015), (310, 652012), (620, 326006), (1240, 163003)]