91239880

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{12743}}^1$

素因数の和:12933

約数の個数: 32

約数和(自身を含む): 206452800

約数和(自身を除く): 115212920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 12743, 25486, 50972, 63715, 101944, 127430, 254860, 509720, 2280997, 4561994, 9123988, 11404985, 18247976, 22809970, 45619940, 91239880]

約数ペア:

[(1, 91239880), (2, 45619940), (4, 22809970), (5, 18247976), (8, 11404985), (10, 9123988), (20, 4561994), (40, 2280997), (179, 509720), (358, 254860), (716, 127430), (895, 101944), (1432, 63715), (1790, 50972), (3580, 25486), (7160, 12743)]