51127840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18797}}^1$

素因数の和:18829

約数の個数: 48

約数和(自身を含む): 127901592

約数和(自身を除く): 76773752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18797, 37594, 75188, 93985, 150376, 187970, 300752, 319549, 375940, 601504, 639098, 751880, 1278196, 1503760, 1597745, 2556392, 3007520, 3195490, 5112784, 6390980, 10225568, 12781960, 25563920, 51127840]

約数ペア:

[(1, 51127840), (2, 25563920), (4, 12781960), (5, 10225568), (8, 6390980), (10, 5112784), (16, 3195490), (17, 3007520), (20, 2556392), (32, 1597745), (34, 1503760), (40, 1278196), (68, 751880), (80, 639098), (85, 601504), (136, 375940), (160, 319549), (170, 300752), (272, 187970), (340, 150376), (544, 93985), (680, 75188), (1360, 37594), (2720, 18797)]