66593959280

素因数分解:

$2^4\times 5^1\times {\mathrm{15971}}^1\times {\mathrm{52121}}^1$

素因数の和:68105

約数の個数: 40

約数和(自身を含む): 154843620624

約数和(自身を除く): 88249661344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15971, 31942, 52121, 63884, 79855, 104242, 127768, 159710, 208484, 255536, 260605, 319420, 416968, 521210, 638840, 833936, 1042420, 1277680, 2084840, 4169680, 832424491, 1664848982, 3329697964, 4162122455, 6659395928, 8324244910, 13318791856, 16648489820, 33296979640, 66593959280]

約数ペア:

[(1, 66593959280), (2, 33296979640), (4, 16648489820), (5, 13318791856), (8, 8324244910), (10, 6659395928), (16, 4162122455), (20, 3329697964), (40, 1664848982), (80, 832424491), (15971, 4169680), (31942, 2084840), (52121, 1277680), (63884, 1042420), (79855, 833936), (104242, 638840), (127768, 521210), (159710, 416968), (208484, 319420), (255536, 260605)]