80937008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2601

約数の個数: 40

約数和(自身を含む): 163941888

約数和(自身を除く): 83004880

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 2503, 4042, 5006, 8084, 10012, 16168, 20024, 32336, 40048, 107629, 117641, 215258, 235282, 430516, 470564, 861032, 941128, 1722064, 1882256, 5058563, 10117126, 20234252, 40468504, 80937008]

約数ペア:

[(1, 80937008), (2, 40468504), (4, 20234252), (8, 10117126), (16, 5058563), (43, 1882256), (47, 1722064), (86, 941128), (94, 861032), (172, 470564), (188, 430516), (344, 235282), (376, 215258), (688, 117641), (752, 107629), (2021, 40048), (2503, 32336), (4042, 20024), (5006, 16168), (8084, 10012)]