7826480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 60

約数和(自身を含む): 19275552

約数和(自身を除く): 11449072

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 271, 304, 361, 380, 542, 722, 760, 1084, 1355, 1444, 1520, 1805, 2168, 2710, 2888, 3610, 4336, 5149, 5420, 5776, 7220, 10298, 10840, 14440, 20596, 21680, 25745, 28880, 41192, 51490, 82384, 97831, 102980, 195662, 205960, 391324, 411920, 489155, 782648, 978310, 1565296, 1956620, 3913240, 7826480]

約数ペア:

[(1, 7826480), (2, 3913240), (4, 1956620), (5, 1565296), (8, 978310), (10, 782648), (16, 489155), (19, 411920), (20, 391324), (38, 205960), (40, 195662), (76, 102980), (80, 97831), (95, 82384), (152, 51490), (190, 41192), (271, 28880), (304, 25745), (361, 21680), (380, 20596), (542, 14440), (722, 10840), (760, 10298), (1084, 7220), (1355, 5776), (1444, 5420), (1520, 5149), (1805, 4336), (2168, 3610), (2710, 2888)]