84940360

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2531}}^1$

素因数の和:3381

約数の個数: 32

約数和(自身を含む): 191419200

約数和(自身を除く): 106478840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 2531, 3356, 4195, 5062, 6712, 8390, 10124, 12655, 16780, 20248, 25310, 33560, 50620, 101240, 2123509, 4247018, 8494036, 10617545, 16988072, 21235090, 42470180, 84940360]

約数ペア:

[(1, 84940360), (2, 42470180), (4, 21235090), (5, 16988072), (8, 10617545), (10, 8494036), (20, 4247018), (40, 2123509), (839, 101240), (1678, 50620), (2531, 33560), (3356, 25310), (4195, 20248), (5062, 16780), (6712, 12655), (8390, 10124)]