13245280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4357}}^1$

素因数の和:4391

約数の個数: 48

約数和(自身を含む): 32946480

約数和(自身を除く): 19701200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4357, 8714, 17428, 21785, 34856, 43570, 69712, 82783, 87140, 139424, 165566, 174280, 331132, 348560, 413915, 662264, 697120, 827830, 1324528, 1655660, 2649056, 3311320, 6622640, 13245280]

約数ペア:

[(1, 13245280), (2, 6622640), (4, 3311320), (5, 2649056), (8, 1655660), (10, 1324528), (16, 827830), (19, 697120), (20, 662264), (32, 413915), (38, 348560), (40, 331132), (76, 174280), (80, 165566), (95, 139424), (152, 87140), (160, 82783), (190, 69712), (304, 43570), (380, 34856), (608, 21785), (760, 17428), (1520, 8714), (3040, 4357)]