29392840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1889}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 66339000

約数和(自身を除く): 36946160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1889, 1945, 3112, 3778, 3890, 7556, 7780, 9445, 15112, 15560, 18890, 37780, 75560, 734821, 1469642, 2939284, 3674105, 5878568, 7348210, 14696420, 29392840]

約数ペア:

[(1, 29392840), (2, 14696420), (4, 7348210), (5, 5878568), (8, 3674105), (10, 2939284), (20, 1469642), (40, 734821), (389, 75560), (778, 37780), (1556, 18890), (1889, 15560), (1945, 15112), (3112, 9445), (3778, 7780), (3890, 7556)]