2153320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5397840

約数和(自身を除く): 3244520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 101, 104, 130, 164, 202, 205, 260, 328, 404, 410, 505, 520, 533, 808, 820, 1010, 1066, 1313, 1640, 2020, 2132, 2626, 2665, 4040, 4141, 4264, 5252, 5330, 6565, 8282, 10504, 10660, 13130, 16564, 20705, 21320, 26260, 33128, 41410, 52520, 53833, 82820, 107666, 165640, 215332, 269165, 430664, 538330, 1076660, 2153320]

約数ペア:

[(1, 2153320), (2, 1076660), (4, 538330), (5, 430664), (8, 269165), (10, 215332), (13, 165640), (20, 107666), (26, 82820), (40, 53833), (41, 52520), (52, 41410), (65, 33128), (82, 26260), (101, 21320), (104, 20705), (130, 16564), (164, 13130), (202, 10660), (205, 10504), (260, 8282), (328, 6565), (404, 5330), (410, 5252), (505, 4264), (520, 4141), (533, 4040), (808, 2665), (820, 2626), (1010, 2132), (1066, 2020), (1313, 1640)]