8391440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3617}}^1$

素因数の和:3659

約数の個数: 40

約数和(自身を含む): 20188440

約数和(自身を除く): 11797000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 3617, 7234, 14468, 18085, 28936, 36170, 57872, 72340, 104893, 144680, 209786, 289360, 419572, 524465, 839144, 1048930, 1678288, 2097860, 4195720, 8391440]

約数ペア:

[(1, 8391440), (2, 4195720), (4, 2097860), (5, 1678288), (8, 1048930), (10, 839144), (16, 524465), (20, 419572), (29, 289360), (40, 209786), (58, 144680), (80, 104893), (116, 72340), (145, 57872), (232, 36170), (290, 28936), (464, 18085), (580, 14468), (1160, 7234), (2320, 3617)]