15876680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7489}}^1$

素因数の和:7553

約数の個数: 32

約数和(自身を含む): 36401400

約数和(自身を除く): 20524720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7489, 14978, 29956, 37445, 59912, 74890, 149780, 299560, 396917, 793834, 1587668, 1984585, 3175336, 3969170, 7938340, 15876680]

約数ペア:

[(1, 15876680), (2, 7938340), (4, 3969170), (5, 3175336), (8, 1984585), (10, 1587668), (20, 793834), (40, 396917), (53, 299560), (106, 149780), (212, 74890), (265, 59912), (424, 37445), (530, 29956), (1060, 14978), (2120, 7489)]