78687200

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2399}}^1$

素因数の和:2460

約数の個数: 72

約数和(自身を含む): 196862400

約数和(自身を除く): 118175200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 2050, 2399, 3280, 4100, 4798, 6560, 8200, 9596, 11995, 16400, 19192, 23990, 32800, 38384, 47980, 59975, 76768, 95960, 98359, 119950, 191920, 196718, 239900, 383840, 393436, 479800, 491795, 786872, 959600, 983590, 1573744, 1919200, 1967180, 2458975, 3147488, 3934360, 4917950, 7868720, 9835900, 15737440, 19671800, 39343600, 78687200]

約数ペア:

[(1, 78687200), (2, 39343600), (4, 19671800), (5, 15737440), (8, 9835900), (10, 7868720), (16, 4917950), (20, 3934360), (25, 3147488), (32, 2458975), (40, 1967180), (41, 1919200), (50, 1573744), (80, 983590), (82, 959600), (100, 786872), (160, 491795), (164, 479800), (200, 393436), (205, 383840), (328, 239900), (400, 196718), (410, 191920), (656, 119950), (800, 98359), (820, 95960), (1025, 76768), (1312, 59975), (1640, 47980), (2050, 38384), (2399, 32800), (3280, 23990), (4100, 19192), (4798, 16400), (6560, 11995), (8200, 9596)]