202019927080

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{10286147}}^1$

素因数の和:10286649

約数の個数: 32

約数和(自身を含む): 455470633440

約数和(自身を除く): 253450706360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 10286147, 20572294, 41144588, 51430735, 82289176, 102861470, 205722940, 411445880, 5050498177, 10100996354, 20201992708, 25252490885, 40403985416, 50504981770, 101009963540, 202019927080]

約数ペア:

[(1, 202019927080), (2, 101009963540), (4, 50504981770), (5, 40403985416), (8, 25252490885), (10, 20201992708), (20, 10100996354), (40, 5050498177), (491, 411445880), (982, 205722940), (1964, 102861470), (2455, 82289176), (3928, 51430735), (4910, 41144588), (9820, 20572294), (19640, 10286147)]