42976720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1381}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 100250280

約数和(自身を除く): 57273560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1381, 1556, 1945, 2762, 3112, 3890, 5524, 6224, 6905, 7780, 11048, 13810, 15560, 22096, 27620, 31120, 55240, 110480, 537209, 1074418, 2148836, 2686045, 4297672, 5372090, 8595344, 10744180, 21488360, 42976720]

約数ペア:

[(1, 42976720), (2, 21488360), (4, 10744180), (5, 8595344), (8, 5372090), (10, 4297672), (16, 2686045), (20, 2148836), (40, 1074418), (80, 537209), (389, 110480), (778, 55240), (1381, 31120), (1556, 27620), (1945, 22096), (2762, 15560), (3112, 13810), (3890, 11048), (5524, 7780), (6224, 6905)]