101978480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31091}}^1$

素因数の和:31145

約数の個数: 40

約数和(自身を含む): 242890704

約数和(自身を除く): 140912224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 31091, 62182, 124364, 155455, 248728, 310910, 497456, 621820, 1243640, 1274731, 2487280, 2549462, 5098924, 6373655, 10197848, 12747310, 20395696, 25494620, 50989240, 101978480]

約数ペア:

[(1, 101978480), (2, 50989240), (4, 25494620), (5, 20395696), (8, 12747310), (10, 10197848), (16, 6373655), (20, 5098924), (40, 2549462), (41, 2487280), (80, 1274731), (82, 1243640), (164, 621820), (205, 497456), (328, 310910), (410, 248728), (656, 155455), (820, 124364), (1640, 62182), (3280, 31091)]