17942808280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{12433}}^1$

素因数の和:12884

約数の個数: 64

約数和(自身を含む): 40868071200

約数和(自身を除く): 22925262920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 331, 436, 545, 662, 872, 1090, 1324, 1655, 2180, 2648, 3310, 4360, 6620, 12433, 13240, 24866, 36079, 49732, 62165, 72158, 99464, 124330, 144316, 180395, 248660, 288632, 360790, 497320, 721580, 1355197, 1443160, 2710394, 4115323, 5420788, 6775985, 8230646, 10841576, 13551970, 16461292, 20576615, 27103940, 32922584, 41153230, 54207880, 82306460, 164612920, 448570207, 897140414, 1794280828, 2242851035, 3588561656, 4485702070, 8971404140, 17942808280]

約数ペア:

[(1, 17942808280), (2, 8971404140), (4, 4485702070), (5, 3588561656), (8, 2242851035), (10, 1794280828), (20, 897140414), (40, 448570207), (109, 164612920), (218, 82306460), (331, 54207880), (436, 41153230), (545, 32922584), (662, 27103940), (872, 20576615), (1090, 16461292), (1324, 13551970), (1655, 10841576), (2180, 8230646), (2648, 6775985), (3310, 5420788), (4360, 4115323), (6620, 2710394), (12433, 1443160), (13240, 1355197), (24866, 721580), (36079, 497320), (49732, 360790), (62165, 288632), (72158, 248660), (99464, 180395), (124330, 144316)]