5184140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 11891712

約数和(自身を除く): 6707572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 157, 254, 260, 314, 508, 628, 635, 785, 1270, 1570, 1651, 2041, 2540, 3140, 3302, 4082, 6604, 8164, 8255, 10205, 16510, 19939, 20410, 33020, 39878, 40820, 79756, 99695, 199390, 259207, 398780, 518414, 1036828, 1296035, 2592070, 5184140]

約数ペア:

[(1, 5184140), (2, 2592070), (4, 1296035), (5, 1036828), (10, 518414), (13, 398780), (20, 259207), (26, 199390), (52, 99695), (65, 79756), (127, 40820), (130, 39878), (157, 33020), (254, 20410), (260, 19939), (314, 16510), (508, 10205), (628, 8255), (635, 8164), (785, 6604), (1270, 4082), (1570, 3302), (1651, 3140), (2041, 2540)]