29281720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{56311}}^1$

素因数の和:56335

約数の個数: 32

約数和(自身を含む): 70953120

約数和(自身を除く): 41671400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 56311, 112622, 225244, 281555, 450488, 563110, 732043, 1126220, 1464086, 2252440, 2928172, 3660215, 5856344, 7320430, 14640860, 29281720]

約数ペア:

[(1, 29281720), (2, 14640860), (4, 7320430), (5, 5856344), (8, 3660215), (10, 2928172), (13, 2252440), (20, 1464086), (26, 1126220), (40, 732043), (52, 563110), (65, 450488), (104, 281555), (130, 225244), (260, 112622), (520, 56311)]