25984920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16657}}^1$

素因数の和:16684

約数の個数: 64

約数和(自身を含む): 83956320

約数和(自身を除く): 57971400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16657, 33314, 49971, 66628, 83285, 99942, 133256, 166570, 199884, 216541, 249855, 333140, 399768, 433082, 499710, 649623, 666280, 866164, 999420, 1082705, 1299246, 1732328, 1998840, 2165410, 2598492, 3248115, 4330820, 5196984, 6496230, 8661640, 12992460, 25984920]

約数ペア:

[(1, 25984920), (2, 12992460), (3, 8661640), (4, 6496230), (5, 5196984), (6, 4330820), (8, 3248115), (10, 2598492), (12, 2165410), (13, 1998840), (15, 1732328), (20, 1299246), (24, 1082705), (26, 999420), (30, 866164), (39, 666280), (40, 649623), (52, 499710), (60, 433082), (65, 399768), (78, 333140), (104, 249855), (120, 216541), (130, 199884), (156, 166570), (195, 133256), (260, 99942), (312, 83285), (390, 66628), (520, 49971), (780, 33314), (1560, 16657)]