28007320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 70100640

約数和(自身を除く): 42093320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 1201, 2120, 2332, 2402, 2915, 4664, 4804, 5830, 6005, 9608, 11660, 12010, 13211, 23320, 24020, 26422, 48040, 52844, 63653, 66055, 105688, 127306, 132110, 254612, 264220, 318265, 509224, 528440, 636530, 700183, 1273060, 1400366, 2546120, 2800732, 3500915, 5601464, 7001830, 14003660, 28007320]

約数ペア:

[(1, 28007320), (2, 14003660), (4, 7001830), (5, 5601464), (8, 3500915), (10, 2800732), (11, 2546120), (20, 1400366), (22, 1273060), (40, 700183), (44, 636530), (53, 528440), (55, 509224), (88, 318265), (106, 264220), (110, 254612), (212, 132110), (220, 127306), (265, 105688), (424, 66055), (440, 63653), (530, 52844), (583, 48040), (1060, 26422), (1166, 24020), (1201, 23320), (2120, 13211), (2332, 12010), (2402, 11660), (2915, 9608), (4664, 6005), (4804, 5830)]