72052760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138563}}^1$

素因数の和:138587

約数の個数: 32

約数和(自身を含む): 174590640

約数和(自身を除く): 102537880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138563, 277126, 554252, 692815, 1108504, 1385630, 1801319, 2771260, 3602638, 5542520, 7205276, 9006595, 14410552, 18013190, 36026380, 72052760]

約数ペア:

[(1, 72052760), (2, 36026380), (4, 18013190), (5, 14410552), (8, 9006595), (10, 7205276), (13, 5542520), (20, 3602638), (26, 2771260), (40, 1801319), (52, 1385630), (65, 1108504), (104, 692815), (130, 554252), (260, 277126), (520, 138563)]