40460680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 68403320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 199, 221, 230, 260, 299, 340, 391, 398, 442, 460, 520, 598, 680, 782, 796, 884, 920, 995, 1105, 1196, 1495, 1564, 1592, 1768, 1955, 1990, 2210, 2392, 2587, 2990, 3128, 3383, 3910, 3980, 4420, 4577, 5083, 5174, 5980, 6766, 7820, 7960, 8840, 9154, 10166, 10348, 11960, 12935, 13532, 15640, 16915, 18308, 20332, 20696, 22885, 25415, 25870, 27064, 33830, 36616, 40664, 43979, 45770, 50830, 51740, 59501, 67660, 77809, 87958, 91540, 101660, 103480, 119002, 135320, 155618, 175916, 183080, 203320, 219895, 238004, 297505, 311236, 351832, 389045, 439790, 476008, 595010, 622472, 778090, 879580, 1011517, 1190020, 1556180, 1759160, 2023034, 2380040, 3112360, 4046068, 5057585, 8092136, 10115170, 20230340, 40460680]

約数ペア:

[(1, 40460680), (2, 20230340), (4, 10115170), (5, 8092136), (8, 5057585), (10, 4046068), (13, 3112360), (17, 2380040), (20, 2023034), (23, 1759160), (26, 1556180), (34, 1190020), (40, 1011517), (46, 879580), (52, 778090), (65, 622472), (68, 595010), (85, 476008), (92, 439790), (104, 389045), (115, 351832), (130, 311236), (136, 297505), (170, 238004), (184, 219895), (199, 203320), (221, 183080), (230, 175916), (260, 155618), (299, 135320), (340, 119002), (391, 103480), (398, 101660), (442, 91540), (460, 87958), (520, 77809), (598, 67660), (680, 59501), (782, 51740), (796, 50830), (884, 45770), (920, 43979), (995, 40664), (1105, 36616), (1196, 33830), (1495, 27064), (1564, 25870), (1592, 25415), (1768, 22885), (1955, 20696), (1990, 20332), (2210, 18308), (2392, 16915), (2587, 15640), (2990, 13532), (3128, 12935), (3383, 11960), (3910, 10348), (3980, 10166), (4420, 9154), (4577, 8840), (5083, 7960), (5174, 7820), (5980, 6766)]