13639280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5879}}^1$

素因数の和:5921

約数の個数: 40

約数和(自身を含む): 32810400

約数和(自身を除く): 19171120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 5879, 11758, 23516, 29395, 47032, 58790, 94064, 117580, 170491, 235160, 340982, 470320, 681964, 852455, 1363928, 1704910, 2727856, 3409820, 6819640, 13639280]

約数ペア:

[(1, 13639280), (2, 6819640), (4, 3409820), (5, 2727856), (8, 1704910), (10, 1363928), (16, 852455), (20, 681964), (29, 470320), (40, 340982), (58, 235160), (80, 170491), (116, 117580), (145, 94064), (232, 58790), (290, 47032), (464, 29395), (580, 23516), (1160, 11758), (2320, 5879)]