851180360

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{162439}}^1$

素因数の和:162581

約数の個数: 32

約数和(自身を含む): 1929787200

約数和(自身を除く): 1078606840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 162439, 324878, 649756, 812195, 1299512, 1624390, 3248780, 6497560, 21279509, 42559018, 85118036, 106397545, 170236072, 212795090, 425590180, 851180360]

約数ペア:

[(1, 851180360), (2, 425590180), (4, 212795090), (5, 170236072), (8, 106397545), (10, 85118036), (20, 42559018), (40, 21279509), (131, 6497560), (262, 3248780), (524, 1624390), (655, 1299512), (1048, 812195), (1310, 649756), (2620, 324878), (5240, 162439)]