81623120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60017}}^1$

素因数の和:60047

約数の個数: 40

約数和(自身を含む): 200940264

約数和(自身を除く): 119317144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 60017, 120034, 240068, 300085, 480136, 600170, 960272, 1020289, 1200340, 2040578, 2400680, 4081156, 4801360, 5101445, 8162312, 10202890, 16324624, 20405780, 40811560, 81623120]

約数ペア:

[(1, 81623120), (2, 40811560), (4, 20405780), (5, 16324624), (8, 10202890), (10, 8162312), (16, 5101445), (17, 4801360), (20, 4081156), (34, 2400680), (40, 2040578), (68, 1200340), (80, 1020289), (85, 960272), (136, 600170), (170, 480136), (272, 300085), (340, 240068), (680, 120034), (1360, 60017)]