201329680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61381}}^1$

素因数の和:61435

約数の個数: 40

約数和(自身を含む): 479516184

約数和(自身を除く): 278186504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 61381, 122762, 245524, 306905, 491048, 613810, 982096, 1227620, 2455240, 2516621, 4910480, 5033242, 10066484, 12583105, 20132968, 25166210, 40265936, 50332420, 100664840, 201329680]

約数ペア:

[(1, 201329680), (2, 100664840), (4, 50332420), (5, 40265936), (8, 25166210), (10, 20132968), (16, 12583105), (20, 10066484), (40, 5033242), (41, 4910480), (80, 2516621), (82, 2455240), (164, 1227620), (205, 982096), (328, 613810), (410, 491048), (656, 306905), (820, 245524), (1640, 122762), (3280, 61381)]