127103720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{102503}}^1$

素因数の和:102545

約数の個数: 32

約数和(自身を含む): 295211520

約数和(自身を除く): 168107800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 102503, 205006, 410012, 512515, 820024, 1025030, 2050060, 3177593, 4100120, 6355186, 12710372, 15887965, 25420744, 31775930, 63551860, 127103720]

約数ペア:

[(1, 127103720), (2, 63551860), (4, 31775930), (5, 25420744), (8, 15887965), (10, 12710372), (20, 6355186), (31, 4100120), (40, 3177593), (62, 2050060), (124, 1025030), (155, 820024), (248, 512515), (310, 410012), (620, 205006), (1240, 102503)]