29672920

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1907}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 66970800

約数和(自身を除く): 37297880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1907, 1945, 3112, 3814, 3890, 7628, 7780, 9535, 15256, 15560, 19070, 38140, 76280, 741823, 1483646, 2967292, 3709115, 5934584, 7418230, 14836460, 29672920]

約数ペア:

[(1, 29672920), (2, 14836460), (4, 7418230), (5, 5934584), (8, 3709115), (10, 2967292), (20, 1483646), (40, 741823), (389, 76280), (778, 38140), (1556, 19070), (1907, 15560), (1945, 15256), (3112, 9535), (3814, 7780), (3890, 7628)]