72190840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106163}}^1$

素因数の和:106191

約数の個数: 32

約数和(自身を含む): 171985680

約数和(自身を除く): 99794840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 106163, 212326, 424652, 530815, 849304, 1061630, 1804771, 2123260, 3609542, 4246520, 7219084, 9023855, 14438168, 18047710, 36095420, 72190840]

約数ペア:

[(1, 72190840), (2, 36095420), (4, 18047710), (5, 14438168), (8, 9023855), (10, 7219084), (17, 4246520), (20, 3609542), (34, 2123260), (40, 1804771), (68, 1061630), (85, 849304), (136, 530815), (170, 424652), (340, 212326), (680, 106163)]