16589860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 40400640

約数和(自身を除く): 23810780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1669, 1988, 2485, 3338, 4970, 6676, 8345, 9940, 11683, 16690, 23366, 33380, 46732, 58415, 116830, 118499, 233660, 236998, 473996, 592495, 829493, 1184990, 1658986, 2369980, 3317972, 4147465, 8294930, 16589860]

約数ペア:

[(1, 16589860), (2, 8294930), (4, 4147465), (5, 3317972), (7, 2369980), (10, 1658986), (14, 1184990), (20, 829493), (28, 592495), (35, 473996), (70, 236998), (71, 233660), (140, 118499), (142, 116830), (284, 58415), (355, 46732), (497, 33380), (710, 23366), (994, 16690), (1420, 11683), (1669, 9940), (1988, 8345), (2485, 6676), (3338, 4970)]