87103820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1901}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 191721600

約数和(自身を除く): 104617780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 79, 116, 145, 158, 290, 316, 395, 580, 790, 1580, 1901, 2291, 3802, 4582, 7604, 9164, 9505, 11455, 19010, 22910, 38020, 45820, 55129, 110258, 150179, 220516, 275645, 300358, 551290, 600716, 750895, 1102580, 1501790, 3003580, 4355191, 8710382, 17420764, 21775955, 43551910, 87103820]

約数ペア:

[(1, 87103820), (2, 43551910), (4, 21775955), (5, 17420764), (10, 8710382), (20, 4355191), (29, 3003580), (58, 1501790), (79, 1102580), (116, 750895), (145, 600716), (158, 551290), (290, 300358), (316, 275645), (395, 220516), (580, 150179), (790, 110258), (1580, 55129), (1901, 45820), (2291, 38020), (3802, 22910), (4582, 19010), (7604, 11455), (9164, 9505)]