2569840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 7374528

約数和(自身を除く): 4804688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 353, 364, 455, 520, 560, 706, 728, 910, 1040, 1412, 1456, 1765, 1820, 2471, 2824, 3530, 3640, 4589, 4942, 5648, 7060, 7280, 9178, 9884, 12355, 14120, 18356, 19768, 22945, 24710, 28240, 32123, 36712, 39536, 45890, 49420, 64246, 73424, 91780, 98840, 128492, 160615, 183560, 197680, 256984, 321230, 367120, 513968, 642460, 1284920, 2569840]

約数ペア:

[(1, 2569840), (2, 1284920), (4, 642460), (5, 513968), (7, 367120), (8, 321230), (10, 256984), (13, 197680), (14, 183560), (16, 160615), (20, 128492), (26, 98840), (28, 91780), (35, 73424), (40, 64246), (52, 49420), (56, 45890), (65, 39536), (70, 36712), (80, 32123), (91, 28240), (104, 24710), (112, 22945), (130, 19768), (140, 18356), (182, 14120), (208, 12355), (260, 9884), (280, 9178), (353, 7280), (364, 7060), (455, 5648), (520, 4942), (560, 4589), (706, 3640), (728, 3530), (910, 2824), (1040, 2471), (1412, 1820), (1456, 1765)]