38540840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 94242960

約数和(自身を除く): 55702120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 520, 541, 548, 685, 1082, 1096, 1370, 1781, 2164, 2705, 2740, 3562, 4328, 5410, 5480, 7033, 7124, 8905, 10820, 14066, 14248, 17810, 21640, 28132, 35165, 35620, 56264, 70330, 71240, 74117, 140660, 148234, 281320, 296468, 370585, 592936, 741170, 963521, 1482340, 1927042, 2964680, 3854084, 4817605, 7708168, 9635210, 19270420, 38540840]

約数ペア:

[(1, 38540840), (2, 19270420), (4, 9635210), (5, 7708168), (8, 4817605), (10, 3854084), (13, 2964680), (20, 1927042), (26, 1482340), (40, 963521), (52, 741170), (65, 592936), (104, 370585), (130, 296468), (137, 281320), (260, 148234), (274, 140660), (520, 74117), (541, 71240), (548, 70330), (685, 56264), (1082, 35620), (1096, 35165), (1370, 28132), (1781, 21640), (2164, 17810), (2705, 14248), (2740, 14066), (3562, 10820), (4328, 8905), (5410, 7124), (5480, 7033)]