133779820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{51061}}^1$

素因数の和:51201

約数の個数: 24

約数和(自身を含む): 283087728

約数和(自身を除く): 149307908

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 51061, 102122, 204244, 255305, 510610, 1021220, 6688991, 13377982, 26755964, 33444955, 66889910, 133779820]

約数ペア:

[(1, 133779820), (2, 66889910), (4, 33444955), (5, 26755964), (10, 13377982), (20, 6688991), (131, 1021220), (262, 510610), (524, 255305), (655, 204244), (1310, 102122), (2620, 51061)]