4877680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3241

約数の個数: 40

約数和(自身を含む): 11941200

約数和(自身を除く): 7063520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 3209, 6418, 12836, 16045, 25672, 32090, 51344, 60971, 64180, 121942, 128360, 243884, 256720, 304855, 487768, 609710, 975536, 1219420, 2438840, 4877680]

約数ペア:

[(1, 4877680), (2, 2438840), (4, 1219420), (5, 975536), (8, 609710), (10, 487768), (16, 304855), (19, 256720), (20, 243884), (38, 128360), (40, 121942), (76, 64180), (80, 60971), (95, 51344), (152, 32090), (190, 25672), (304, 16045), (380, 12836), (760, 6418), (1520, 3209)]