61389040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45139}}^1$

素因数の和:45169

約数の個数: 40

約数和(自身を含む): 151128720

約数和(自身を除く): 89739680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 45139, 90278, 180556, 225695, 361112, 451390, 722224, 767363, 902780, 1534726, 1805560, 3069452, 3611120, 3836815, 6138904, 7673630, 12277808, 15347260, 30694520, 61389040]

約数ペア:

[(1, 61389040), (2, 30694520), (4, 15347260), (5, 12277808), (8, 7673630), (10, 6138904), (16, 3836815), (17, 3611120), (20, 3069452), (34, 1805560), (40, 1534726), (68, 902780), (80, 767363), (85, 722224), (136, 451390), (170, 361112), (272, 225695), (340, 180556), (680, 90278), (1360, 45139)]