3155840

素因数分解:

$2^7\times 5^1\times {\mathrm{4931}}^1$

素因数の和:4950

約数の個数: 32

約数和(自身を含む): 7545960

約数和(自身を除く): 4390120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4931, 9862, 19724, 24655, 39448, 49310, 78896, 98620, 157792, 197240, 315584, 394480, 631168, 788960, 1577920, 3155840]

約数ペア:

[(1, 3155840), (2, 1577920), (4, 788960), (5, 631168), (8, 394480), (10, 315584), (16, 197240), (20, 157792), (32, 98620), (40, 78896), (64, 49310), (80, 39448), (128, 24655), (160, 19724), (320, 9862), (640, 4931)]