66319280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{12373}}^1$

素因数の和:12453

約数の個数: 40

約数和(自身を含む): 156506352

約数和(自身を除く): 90187072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 12373, 24746, 49492, 61865, 98984, 123730, 197968, 247460, 494920, 828991, 989840, 1657982, 3315964, 4144955, 6631928, 8289910, 13263856, 16579820, 33159640, 66319280]

約数ペア:

[(1, 66319280), (2, 33159640), (4, 16579820), (5, 13263856), (8, 8289910), (10, 6631928), (16, 4144955), (20, 3315964), (40, 1657982), (67, 989840), (80, 828991), (134, 494920), (268, 247460), (335, 197968), (536, 123730), (670, 98984), (1072, 61865), (1340, 49492), (2680, 24746), (5360, 12373)]