72222400

素因数分解:

$2^6\times 5^2\times {\mathrm{45139}}^1$

素因数の和:45161

約数の個数: 42

約数和(自身を含む): 177716180

約数和(自身を除く): 105493780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 45139, 90278, 180556, 225695, 361112, 451390, 722224, 902780, 1128475, 1444448, 1805560, 2256950, 2888896, 3611120, 4513900, 7222240, 9027800, 14444480, 18055600, 36111200, 72222400]

約数ペア:

[(1, 72222400), (2, 36111200), (4, 18055600), (5, 14444480), (8, 9027800), (10, 7222240), (16, 4513900), (20, 3611120), (25, 2888896), (32, 2256950), (40, 1805560), (50, 1444448), (64, 1128475), (80, 902780), (100, 722224), (160, 451390), (200, 361112), (320, 225695), (400, 180556), (800, 90278), (1600, 45139)]