1640873320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{7759}}^1$

素因数の和:8098

約数の個数: 64

約数和(自身を含む): 3922214400

約数和(自身を除く): 2281341080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 311, 340, 622, 680, 1244, 1555, 2488, 3110, 5287, 6220, 7759, 10574, 12440, 15518, 21148, 26435, 31036, 38795, 42296, 52870, 62072, 77590, 105740, 131903, 155180, 211480, 263806, 310360, 527612, 659515, 1055224, 1319030, 2413049, 2638060, 4826098, 5276120, 9652196, 12065245, 19304392, 24130490, 41021833, 48260980, 82043666, 96521960, 164087332, 205109165, 328174664, 410218330, 820436660, 1640873320]

約数ペア:

[(1, 1640873320), (2, 820436660), (4, 410218330), (5, 328174664), (8, 205109165), (10, 164087332), (17, 96521960), (20, 82043666), (34, 48260980), (40, 41021833), (68, 24130490), (85, 19304392), (136, 12065245), (170, 9652196), (311, 5276120), (340, 4826098), (622, 2638060), (680, 2413049), (1244, 1319030), (1555, 1055224), (2488, 659515), (3110, 527612), (5287, 310360), (6220, 263806), (7759, 211480), (10574, 155180), (12440, 131903), (15518, 105740), (21148, 77590), (26435, 62072), (31036, 52870), (38795, 42296)]