15403880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3533}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 34986600

約数和(自身を除く): 19582720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3533, 4360, 7066, 14132, 17665, 28264, 35330, 70660, 141320, 385097, 770194, 1540388, 1925485, 3080776, 3850970, 7701940, 15403880]

約数ペア:

[(1, 15403880), (2, 7701940), (4, 3850970), (5, 3080776), (8, 1925485), (10, 1540388), (20, 770194), (40, 385097), (109, 141320), (218, 70660), (436, 35330), (545, 28264), (872, 17665), (1090, 14132), (2180, 7066), (3533, 4360)]