996800480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479231}}^1$

素因数の和:479259

約数の個数: 48

約数和(自身を含む): 2536095744

約数和(自身を除く): 1539295264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 479231, 958462, 1916924, 2396155, 3833848, 4792310, 6230003, 7667696, 9584620, 12460006, 15335392, 19169240, 24920012, 31150015, 38338480, 49840024, 62300030, 76676960, 99680048, 124600060, 199360096, 249200120, 498400240, 996800480]

約数ペア:

[(1, 996800480), (2, 498400240), (4, 249200120), (5, 199360096), (8, 124600060), (10, 99680048), (13, 76676960), (16, 62300030), (20, 49840024), (26, 38338480), (32, 31150015), (40, 24920012), (52, 19169240), (65, 15335392), (80, 12460006), (104, 9584620), (130, 7667696), (160, 6230003), (208, 4792310), (260, 3833848), (416, 2396155), (520, 1916924), (1040, 958462), (2080, 479231)]