42427880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 104863680

約数和(自身を除く): 62435800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 457, 844, 914, 1055, 1688, 1828, 2110, 2285, 2321, 3656, 4220, 4570, 4642, 5027, 8440, 9140, 9284, 10054, 11605, 18280, 18568, 20108, 23210, 25135, 40216, 46420, 50270, 92840, 96427, 100540, 192854, 201080, 385708, 482135, 771416, 964270, 1060697, 1928540, 2121394, 3857080, 4242788, 5303485, 8485576, 10606970, 21213940, 42427880]

約数ペア:

[(1, 42427880), (2, 21213940), (4, 10606970), (5, 8485576), (8, 5303485), (10, 4242788), (11, 3857080), (20, 2121394), (22, 1928540), (40, 1060697), (44, 964270), (55, 771416), (88, 482135), (110, 385708), (211, 201080), (220, 192854), (422, 100540), (440, 96427), (457, 92840), (844, 50270), (914, 46420), (1055, 40216), (1688, 25135), (1828, 23210), (2110, 20108), (2285, 18568), (2321, 18280), (3656, 11605), (4220, 10054), (4570, 9284), (4642, 9140), (5027, 8440)]