17908280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34439}}^1$

素因数の和:34463

約数の個数: 32

約数和(自身を含む): 43394400

約数和(自身を除く): 25486120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34439, 68878, 137756, 172195, 275512, 344390, 447707, 688780, 895414, 1377560, 1790828, 2238535, 3581656, 4477070, 8954140, 17908280]

約数ペア:

[(1, 17908280), (2, 8954140), (4, 4477070), (5, 3581656), (8, 2238535), (10, 1790828), (13, 1377560), (20, 895414), (26, 688780), (40, 447707), (52, 344390), (65, 275512), (104, 172195), (130, 137756), (260, 68878), (520, 34439)]