87193340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19727}}^1$

素因数の和:19766

約数の個数: 48

約数和(自身を含む): 208801152

約数和(自身を除く): 121607812

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19727, 39454, 78908, 98635, 197270, 256451, 335359, 394540, 512902, 670718, 1025804, 1282255, 1341436, 1676795, 2564510, 3353590, 4359667, 5129020, 6707180, 8719334, 17438668, 21798335, 43596670, 87193340]

約数ペア:

[(1, 87193340), (2, 43596670), (4, 21798335), (5, 17438668), (10, 8719334), (13, 6707180), (17, 5129020), (20, 4359667), (26, 3353590), (34, 2564510), (52, 1676795), (65, 1341436), (68, 1282255), (85, 1025804), (130, 670718), (170, 512902), (221, 394540), (260, 335359), (340, 256451), (442, 197270), (884, 98635), (1105, 78908), (2210, 39454), (4420, 19727)]