201286220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245471}}^1$

素因数の和:245521

約数の個数: 24

約数和(自身を含む): 433012608

約数和(自身を除く): 231726388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245471, 490942, 981884, 1227355, 2454710, 4909420, 10064311, 20128622, 40257244, 50321555, 100643110, 201286220]

約数ペア:

[(1, 201286220), (2, 100643110), (4, 50321555), (5, 40257244), (10, 20128622), (20, 10064311), (41, 4909420), (82, 2454710), (164, 1227355), (205, 981884), (410, 490942), (820, 245471)]