179140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1$

素因数の和:88

約数の個数: 36

約数和(自身を含む): 415044

約数和(自身を除く): 235904

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1378, 1690, 2756, 3380, 3445, 6890, 8957, 13780, 17914, 35828, 44785, 89570, 179140]

約数ペア:

[(1, 179140), (2, 89570), (4, 44785), (5, 35828), (10, 17914), (13, 13780), (20, 8957), (26, 6890), (52, 3445), (53, 3380), (65, 2756), (106, 1690), (130, 1378), (169, 1060), (212, 845), (260, 689), (265, 676), (338, 530)]