72753640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6427}}^1$

素因数の和:6721

約数の個数: 32

約数和(自身を含む): 164299680

約数和(自身を除く): 91546040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 6427, 11320, 12854, 25708, 32135, 51416, 64270, 128540, 257080, 1818841, 3637682, 7275364, 9094205, 14550728, 18188410, 36376820, 72753640]

約数ペア:

[(1, 72753640), (2, 36376820), (4, 18188410), (5, 14550728), (8, 9094205), (10, 7275364), (20, 3637682), (40, 1818841), (283, 257080), (566, 128540), (1132, 64270), (1415, 51416), (2264, 32135), (2830, 25708), (5660, 12854), (6427, 11320)]