85983160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 198871200

約数和(自身を除く): 112888040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 244, 262, 269, 305, 488, 524, 538, 610, 655, 1048, 1076, 1220, 1310, 1345, 2152, 2440, 2620, 2690, 5240, 5380, 7991, 10760, 15982, 16409, 31964, 32818, 35239, 39955, 63928, 65636, 70478, 79910, 82045, 131272, 140956, 159820, 164090, 176195, 281912, 319640, 328180, 352390, 656360, 704780, 1409560, 2149579, 4299158, 8598316, 10747895, 17196632, 21495790, 42991580, 85983160]

約数ペア:

[(1, 85983160), (2, 42991580), (4, 21495790), (5, 17196632), (8, 10747895), (10, 8598316), (20, 4299158), (40, 2149579), (61, 1409560), (122, 704780), (131, 656360), (244, 352390), (262, 328180), (269, 319640), (305, 281912), (488, 176195), (524, 164090), (538, 159820), (610, 140956), (655, 131272), (1048, 82045), (1076, 79910), (1220, 70478), (1310, 65636), (1345, 63928), (2152, 39955), (2440, 35239), (2620, 32818), (2690, 31964), (5240, 16409), (5380, 15982), (7991, 10760)]