8028280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15439}}^1$

素因数の和:15463

約数の個数: 32

約数和(自身を含む): 19454400

約数和(自身を除く): 11426120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15439, 30878, 61756, 77195, 123512, 154390, 200707, 308780, 401414, 617560, 802828, 1003535, 1605656, 2007070, 4014140, 8028280]

約数ペア:

[(1, 8028280), (2, 4014140), (4, 2007070), (5, 1605656), (8, 1003535), (10, 802828), (13, 617560), (20, 401414), (26, 308780), (40, 200707), (52, 154390), (65, 123512), (104, 77195), (130, 61756), (260, 30878), (520, 15439)]