80420770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4139}}^1$

素因数の和:4242

約数の個数: 32

約数和(自身を含む): 152020800

約数和(自身を除く): 71600030

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1943, 3886, 4139, 8278, 9715, 19430, 20695, 41390, 120031, 240062, 277313, 554626, 600155, 1200310, 1386565, 2773130, 8042077, 16084154, 40210385, 80420770]

約数ペア:

[(1, 80420770), (2, 40210385), (5, 16084154), (10, 8042077), (29, 2773130), (58, 1386565), (67, 1200310), (134, 600155), (145, 554626), (290, 277313), (335, 240062), (670, 120031), (1943, 41390), (3886, 20695), (4139, 19430), (8278, 9715)]