40475008

素因数分解:

$2^7\times 7^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 93024000

約数和(自身を除く): 52548992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 199, 224, 227, 398, 448, 454, 796, 896, 908, 1393, 1589, 1592, 1816, 2786, 3178, 3184, 3632, 5572, 6356, 6368, 7264, 11144, 12712, 12736, 14528, 22288, 25424, 25472, 29056, 44576, 45173, 50848, 89152, 90346, 101696, 178304, 180692, 203392, 316211, 361384, 632422, 722768, 1264844, 1445536, 2529688, 2891072, 5059376, 5782144, 10118752, 20237504, 40475008]

約数ペア:

[(1, 40475008), (2, 20237504), (4, 10118752), (7, 5782144), (8, 5059376), (14, 2891072), (16, 2529688), (28, 1445536), (32, 1264844), (56, 722768), (64, 632422), (112, 361384), (128, 316211), (199, 203392), (224, 180692), (227, 178304), (398, 101696), (448, 90346), (454, 89152), (796, 50848), (896, 45173), (908, 44576), (1393, 29056), (1589, 25472), (1592, 25424), (1816, 22288), (2786, 14528), (3178, 12736), (3184, 12712), (3632, 11144), (5572, 7264), (6356, 6368)]