65006440

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4357}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 146690280

約数和(自身を除く): 81683840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 4357, 7460, 8714, 14920, 17428, 21785, 34856, 43570, 87140, 174280, 1625161, 3250322, 6500644, 8125805, 13001288, 16251610, 32503220, 65006440]

約数ペア:

[(1, 65006440), (2, 32503220), (4, 16251610), (5, 13001288), (8, 8125805), (10, 6500644), (20, 3250322), (40, 1625161), (373, 174280), (746, 87140), (1492, 43570), (1865, 34856), (2984, 21785), (3730, 17428), (4357, 14920), (7460, 8714)]