13287880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19541}}^1$

素因数の和:19569

約数の個数: 32

約数和(自身を含む): 31658040

約数和(自身を除く): 18370160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19541, 39082, 78164, 97705, 156328, 195410, 332197, 390820, 664394, 781640, 1328788, 1660985, 2657576, 3321970, 6643940, 13287880]

約数ペア:

[(1, 13287880), (2, 6643940), (4, 3321970), (5, 2657576), (8, 1660985), (10, 1328788), (17, 781640), (20, 664394), (34, 390820), (40, 332197), (68, 195410), (85, 156328), (136, 97705), (170, 78164), (340, 39082), (680, 19541)]