39172640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 96

約数和(自身を含む): 102558960

約数和(自身を除く): 63386320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 370, 416, 481, 509, 520, 592, 740, 962, 1018, 1040, 1184, 1480, 1924, 2036, 2080, 2405, 2545, 2960, 3848, 4072, 4810, 5090, 5920, 6617, 7696, 8144, 9620, 10180, 13234, 15392, 16288, 18833, 19240, 20360, 26468, 33085, 37666, 38480, 40720, 52936, 66170, 75332, 76960, 81440, 94165, 105872, 132340, 150664, 188330, 211744, 244829, 264680, 301328, 376660, 489658, 529360, 602656, 753320, 979316, 1058720, 1224145, 1506640, 1958632, 2448290, 3013280, 3917264, 4896580, 7834528, 9793160, 19586320, 39172640]

約数ペア:

[(1, 39172640), (2, 19586320), (4, 9793160), (5, 7834528), (8, 4896580), (10, 3917264), (13, 3013280), (16, 2448290), (20, 1958632), (26, 1506640), (32, 1224145), (37, 1058720), (40, 979316), (52, 753320), (65, 602656), (74, 529360), (80, 489658), (104, 376660), (130, 301328), (148, 264680), (160, 244829), (185, 211744), (208, 188330), (260, 150664), (296, 132340), (370, 105872), (416, 94165), (481, 81440), (509, 76960), (520, 75332), (592, 66170), (740, 52936), (962, 40720), (1018, 38480), (1040, 37666), (1184, 33085), (1480, 26468), (1924, 20360), (2036, 19240), (2080, 18833), (2405, 16288), (2545, 15392), (2960, 13234), (3848, 10180), (4072, 9620), (4810, 8144), (5090, 7696), (5920, 6617)]