28741077080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1\times {\mathrm{9677}}^1$

素因数の和:11540

約数の個数: 64

約数和(自身を含む): 66288106080

約数和(自身を除く): 37547029000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1811, 3622, 7244, 9055, 9677, 14488, 18110, 19354, 36220, 38708, 48385, 72440, 74251, 77416, 96770, 148502, 193540, 297004, 371255, 387080, 396757, 594008, 742510, 793514, 1485020, 1587028, 1983785, 2970040, 3174056, 3967570, 7935140, 15870280, 17525047, 35050094, 70100188, 87625235, 140200376, 175250470, 350500940, 701001880, 718526927, 1437053854, 2874107708, 3592634635, 5748215416, 7185269270, 14370538540, 28741077080]

約数ペア:

[(1, 28741077080), (2, 14370538540), (4, 7185269270), (5, 5748215416), (8, 3592634635), (10, 2874107708), (20, 1437053854), (40, 718526927), (41, 701001880), (82, 350500940), (164, 175250470), (205, 140200376), (328, 87625235), (410, 70100188), (820, 35050094), (1640, 17525047), (1811, 15870280), (3622, 7935140), (7244, 3967570), (9055, 3174056), (9677, 2970040), (14488, 1983785), (18110, 1587028), (19354, 1485020), (36220, 793514), (38708, 742510), (48385, 594008), (72440, 396757), (74251, 387080), (77416, 371255), (96770, 297004), (148502, 193540)]