201478840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49871}}^1$

素因数の和:49983

約数の個数: 32

約数和(自身を含む): 457824960

約数和(自身を除く): 256346120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49871, 99742, 199484, 249355, 398968, 498710, 997420, 1994840, 5036971, 10073942, 20147884, 25184855, 40295768, 50369710, 100739420, 201478840]

約数ペア:

[(1, 201478840), (2, 100739420), (4, 50369710), (5, 40295768), (8, 25184855), (10, 20147884), (20, 10073942), (40, 5036971), (101, 1994840), (202, 997420), (404, 498710), (505, 398968), (808, 249355), (1010, 199484), (2020, 99742), (4040, 49871)]