25769940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61357}}^1$

素因数の和:61376

約数の個数: 48

約数和(自身を含む): 82465152

約数和(自身を除く): 56695212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61357, 122714, 184071, 245428, 306785, 368142, 429499, 613570, 736284, 858998, 920355, 1227140, 1288497, 1717996, 1840710, 2147495, 2576994, 3681420, 4294990, 5153988, 6442485, 8589980, 12884970, 25769940]

約数ペア:

[(1, 25769940), (2, 12884970), (3, 8589980), (4, 6442485), (5, 5153988), (6, 4294990), (7, 3681420), (10, 2576994), (12, 2147495), (14, 1840710), (15, 1717996), (20, 1288497), (21, 1227140), (28, 920355), (30, 858998), (35, 736284), (42, 613570), (60, 429499), (70, 368142), (84, 306785), (105, 245428), (140, 184071), (210, 122714), (420, 61357)]