51039520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 139104000

約数和(自身を除く): 88064480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 199, 224, 229, 280, 398, 458, 560, 796, 916, 995, 1120, 1145, 1393, 1592, 1603, 1832, 1990, 2290, 2786, 3184, 3206, 3664, 3980, 4580, 5572, 6368, 6412, 6965, 7328, 7960, 8015, 9160, 11144, 12824, 13930, 15920, 16030, 18320, 22288, 25648, 27860, 31840, 32060, 36640, 44576, 45571, 51296, 55720, 64120, 91142, 111440, 128240, 182284, 222880, 227855, 256480, 318997, 364568, 455710, 637994, 729136, 911420, 1275988, 1458272, 1594985, 1822840, 2551976, 3189970, 3645680, 5103952, 6379940, 7291360, 10207904, 12759880, 25519760, 51039520]

約数ペア:

[(1, 51039520), (2, 25519760), (4, 12759880), (5, 10207904), (7, 7291360), (8, 6379940), (10, 5103952), (14, 3645680), (16, 3189970), (20, 2551976), (28, 1822840), (32, 1594985), (35, 1458272), (40, 1275988), (56, 911420), (70, 729136), (80, 637994), (112, 455710), (140, 364568), (160, 318997), (199, 256480), (224, 227855), (229, 222880), (280, 182284), (398, 128240), (458, 111440), (560, 91142), (796, 64120), (916, 55720), (995, 51296), (1120, 45571), (1145, 44576), (1393, 36640), (1592, 32060), (1603, 31840), (1832, 27860), (1990, 25648), (2290, 22288), (2786, 18320), (3184, 16030), (3206, 15920), (3664, 13930), (3980, 12824), (4580, 11144), (5572, 9160), (6368, 8015), (6412, 7960), (6965, 7328)]