61984520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:822

約数の個数: 64

約数和(自身を含む): 151200000

約数和(自身を除く): 89215480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 599, 796, 995, 1198, 1592, 1990, 2396, 2587, 2995, 3980, 4792, 5174, 5990, 7787, 7960, 10348, 11980, 12935, 15574, 20696, 23960, 25870, 31148, 38935, 51740, 62296, 77870, 103480, 119201, 155740, 238402, 311480, 476804, 596005, 953608, 1192010, 1549613, 2384020, 3099226, 4768040, 6198452, 7748065, 12396904, 15496130, 30992260, 61984520]

約数ペア:

[(1, 61984520), (2, 30992260), (4, 15496130), (5, 12396904), (8, 7748065), (10, 6198452), (13, 4768040), (20, 3099226), (26, 2384020), (40, 1549613), (52, 1192010), (65, 953608), (104, 596005), (130, 476804), (199, 311480), (260, 238402), (398, 155740), (520, 119201), (599, 103480), (796, 77870), (995, 62296), (1198, 51740), (1592, 38935), (1990, 31148), (2396, 25870), (2587, 23960), (2995, 20696), (3980, 15574), (4792, 12935), (5174, 11980), (5990, 10348), (7787, 7960)]