84900280

素因数分解:

$2^3\times 5^1\times {\mathrm{2122507}}^1$

素因数の和:2122518

約数の個数: 16

約数和(自身を含む): 191025720

約数和(自身を除く): 106125440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2122507, 4245014, 8490028, 10612535, 16980056, 21225070, 42450140, 84900280]

約数ペア:

[(1, 84900280), (2, 42450140), (4, 21225070), (5, 16980056), (8, 10612535), (10, 8490028), (20, 4245014), (40, 2122507)]