10639820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^2$

素因数の和:302

約数の個数: 36

約数和(自身を含む): 23241792

約数和(自身を除く): 12601972

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 16244, 17161, 20305, 34322, 40610, 68644, 81220, 85805, 171610, 343220, 531991, 1063982, 2127964, 2659955, 5319910, 10639820]

約数ペア:

[(1, 10639820), (2, 5319910), (4, 2659955), (5, 2127964), (10, 1063982), (20, 531991), (31, 343220), (62, 171610), (124, 85805), (131, 81220), (155, 68644), (262, 40610), (310, 34322), (524, 20305), (620, 17161), (655, 16244), (1310, 8122), (2620, 4061)]