319528040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{614477}}^1$

素因数の和:614501

約数の個数: 32

約数和(自身を含む): 774242280

約数和(自身を除く): 454714240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 614477, 1228954, 2457908, 3072385, 4915816, 6144770, 7988201, 12289540, 15976402, 24579080, 31952804, 39941005, 63905608, 79882010, 159764020, 319528040]

約数ペア:

[(1, 319528040), (2, 159764020), (4, 79882010), (5, 63905608), (8, 39941005), (10, 31952804), (13, 24579080), (20, 15976402), (26, 12289540), (40, 7988201), (52, 6144770), (65, 4915816), (104, 3072385), (130, 2457908), (260, 1228954), (520, 614477)]