1965291520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{281}}^1\times {\mathrm{683}}^1$

素因数の和:991

約数の個数: 96

約数和(自身を含む): 4739258160

約数和(自身を除く): 2773966640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 281, 320, 512, 562, 640, 683, 1024, 1124, 1280, 1366, 1405, 2048, 2248, 2560, 2732, 2810, 3415, 4496, 5120, 5464, 5620, 6830, 8992, 10240, 10928, 11240, 13660, 17984, 21856, 22480, 27320, 35968, 43712, 44960, 54640, 71936, 87424, 89920, 109280, 143872, 174848, 179840, 191923, 218560, 287744, 349696, 359680, 383846, 437120, 575488, 699392, 719360, 767692, 874240, 959615, 1398784, 1438720, 1535384, 1748480, 1919230, 2877440, 3070768, 3496960, 3838460, 6141536, 6993920, 7676920, 12283072, 15353840, 24566144, 30707680, 49132288, 61415360, 98264576, 122830720, 196529152, 245661440, 393058304, 491322880, 982645760, 1965291520]

約数ペア:

[(1, 1965291520), (2, 982645760), (4, 491322880), (5, 393058304), (8, 245661440), (10, 196529152), (16, 122830720), (20, 98264576), (32, 61415360), (40, 49132288), (64, 30707680), (80, 24566144), (128, 15353840), (160, 12283072), (256, 7676920), (281, 6993920), (320, 6141536), (512, 3838460), (562, 3496960), (640, 3070768), (683, 2877440), (1024, 1919230), (1124, 1748480), (1280, 1535384), (1366, 1438720), (1405, 1398784), (2048, 959615), (2248, 874240), (2560, 767692), (2732, 719360), (2810, 699392), (3415, 575488), (4496, 437120), (5120, 383846), (5464, 359680), (5620, 349696), (6830, 287744), (8992, 218560), (10240, 191923), (10928, 179840), (11240, 174848), (13660, 143872), (17984, 109280), (21856, 89920), (22480, 87424), (27320, 71936), (35968, 54640), (43712, 44960)]