39909140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 88421760

約数和(自身を除く): 48512620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 859, 1010, 1718, 2020, 2323, 3436, 4295, 4646, 8590, 9292, 11615, 17180, 19757, 23230, 39514, 46460, 79028, 86759, 98785, 173518, 197570, 347036, 395140, 433795, 867590, 1735180, 1995457, 3990914, 7981828, 9977285, 19954570, 39909140]

約数ペア:

[(1, 39909140), (2, 19954570), (4, 9977285), (5, 7981828), (10, 3990914), (20, 1995457), (23, 1735180), (46, 867590), (92, 433795), (101, 395140), (115, 347036), (202, 197570), (230, 173518), (404, 98785), (460, 86759), (505, 79028), (859, 46460), (1010, 39514), (1718, 23230), (2020, 19757), (2323, 17180), (3436, 11615), (4295, 9292), (4646, 8590)]