38780840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3221}}^1$

素因数の和:3282

約数の個数: 64

約数和(自身を含む): 102072960

約数和(自身を除く): 63292120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 3221, 6020, 6442, 12040, 12884, 16105, 22547, 25768, 32210, 45094, 64420, 90188, 112735, 128840, 138503, 180376, 225470, 277006, 450940, 554012, 692515, 901880, 969521, 1108024, 1385030, 1939042, 2770060, 3878084, 4847605, 5540120, 7756168, 9695210, 19390420, 38780840]

約数ペア:

[(1, 38780840), (2, 19390420), (4, 9695210), (5, 7756168), (7, 5540120), (8, 4847605), (10, 3878084), (14, 2770060), (20, 1939042), (28, 1385030), (35, 1108024), (40, 969521), (43, 901880), (56, 692515), (70, 554012), (86, 450940), (140, 277006), (172, 225470), (215, 180376), (280, 138503), (301, 128840), (344, 112735), (430, 90188), (602, 64420), (860, 45094), (1204, 32210), (1505, 25768), (1720, 22547), (2408, 16105), (3010, 12884), (3221, 12040), (6020, 6442)]