202086520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162973}}^1$

素因数の和:163015

約数の個数: 32

約数和(自身を含む): 469365120

約数和(自身を除く): 267278600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162973, 325946, 651892, 814865, 1303784, 1629730, 3259460, 5052163, 6518920, 10104326, 20208652, 25260815, 40417304, 50521630, 101043260, 202086520]

約数ペア:

[(1, 202086520), (2, 101043260), (4, 50521630), (5, 40417304), (8, 25260815), (10, 20208652), (20, 10104326), (31, 6518920), (40, 5052163), (62, 3259460), (124, 1629730), (155, 1303784), (248, 814865), (310, 651892), (620, 325946), (1240, 162973)]