16937804920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1\times {\mathrm{7039}}^1$

素因数の和:8492

約数の個数: 64

約数和(自身を含む): 39029760000

約数和(自身を除く): 22091955080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1399, 1720, 2798, 5596, 6995, 7039, 11192, 13990, 14078, 27980, 28156, 35195, 55960, 56312, 60157, 70390, 120314, 140780, 240628, 281560, 300785, 302677, 481256, 601570, 605354, 1203140, 1210708, 1513385, 2406280, 2421416, 3026770, 6053540, 9847561, 12107080, 19695122, 39390244, 49237805, 78780488, 98475610, 196951220, 393902440, 423445123, 846890246, 1693780492, 2117225615, 3387560984, 4234451230, 8468902460, 16937804920]

約数ペア:

[(1, 16937804920), (2, 8468902460), (4, 4234451230), (5, 3387560984), (8, 2117225615), (10, 1693780492), (20, 846890246), (40, 423445123), (43, 393902440), (86, 196951220), (172, 98475610), (215, 78780488), (344, 49237805), (430, 39390244), (860, 19695122), (1399, 12107080), (1720, 9847561), (2798, 6053540), (5596, 3026770), (6995, 2421416), (7039, 2406280), (11192, 1513385), (13990, 1210708), (14078, 1203140), (27980, 605354), (28156, 601570), (35195, 481256), (55960, 302677), (56312, 300785), (60157, 281560), (70390, 240628), (120314, 140780)]