42490820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 96526080

約数和(自身を除く): 54035260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 2659, 3196, 3995, 5318, 7990, 10636, 13295, 15980, 26590, 45203, 53180, 90406, 124973, 180812, 226015, 249946, 452030, 499892, 624865, 904060, 1249730, 2124541, 2499460, 4249082, 8498164, 10622705, 21245410, 42490820]

約数ペア:

[(1, 42490820), (2, 21245410), (4, 10622705), (5, 8498164), (10, 4249082), (17, 2499460), (20, 2124541), (34, 1249730), (47, 904060), (68, 624865), (85, 499892), (94, 452030), (170, 249946), (188, 226015), (235, 180812), (340, 124973), (470, 90406), (799, 53180), (940, 45203), (1598, 26590), (2659, 15980), (3196, 13295), (3995, 10636), (5318, 7990)]