29511980

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1489}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 62079360

約数和(自身を除く): 32567380

約数列:

[1, 2, 4, 5, 10, 20, 991, 1489, 1982, 2978, 3964, 4955, 5956, 7445, 9910, 14890, 19820, 29780, 1475599, 2951198, 5902396, 7377995, 14755990, 29511980]

約数ペア:

[(1, 29511980), (2, 14755990), (4, 7377995), (5, 5902396), (10, 2951198), (20, 1475599), (991, 29780), (1489, 19820), (1982, 14890), (2978, 9910), (3964, 7445), (4955, 5956)]