201611680

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4549}}^1$

素因数の和:4841

約数の個数: 48

約数和(自身を含む): 478132200

約数和(自身を除く): 276520520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 554, 1108, 1385, 2216, 2770, 4432, 4549, 5540, 8864, 9098, 11080, 18196, 22160, 22745, 36392, 44320, 45490, 72784, 90980, 145568, 181960, 363920, 727840, 1260073, 2520146, 5040292, 6300365, 10080584, 12600730, 20161168, 25201460, 40322336, 50402920, 100805840, 201611680]

約数ペア:

[(1, 201611680), (2, 100805840), (4, 50402920), (5, 40322336), (8, 25201460), (10, 20161168), (16, 12600730), (20, 10080584), (32, 6300365), (40, 5040292), (80, 2520146), (160, 1260073), (277, 727840), (554, 363920), (1108, 181960), (1385, 145568), (2216, 90980), (2770, 72784), (4432, 45490), (4549, 44320), (5540, 36392), (8864, 22745), (9098, 22160), (11080, 18196)]