28630040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 69284160

約数和(自身を除く): 40654120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 568, 593, 680, 710, 1186, 1207, 1420, 2372, 2414, 2840, 2965, 4744, 4828, 5930, 6035, 9656, 10081, 11860, 12070, 20162, 23720, 24140, 40324, 42103, 48280, 50405, 80648, 84206, 100810, 168412, 201620, 210515, 336824, 403240, 421030, 715751, 842060, 1431502, 1684120, 2863004, 3578755, 5726008, 7157510, 14315020, 28630040]

約数ペア:

[(1, 28630040), (2, 14315020), (4, 7157510), (5, 5726008), (8, 3578755), (10, 2863004), (17, 1684120), (20, 1431502), (34, 842060), (40, 715751), (68, 421030), (71, 403240), (85, 336824), (136, 210515), (142, 201620), (170, 168412), (284, 100810), (340, 84206), (355, 80648), (568, 50405), (593, 48280), (680, 42103), (710, 40324), (1186, 24140), (1207, 23720), (1420, 20162), (2372, 12070), (2414, 11860), (2840, 10081), (2965, 9656), (4744, 6035), (4828, 5930)]