86720320

素因数分解:

$2^6\times 5^1\times {\mathrm{457}}^1\times {\mathrm{593}}^1$

素因数の和:1067

約数の個数: 56

約数和(自身を含む): 207303624

約数和(自身を除く): 120583304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 457, 593, 914, 1186, 1828, 2285, 2372, 2965, 3656, 4570, 4744, 5930, 7312, 9140, 9488, 11860, 14624, 18280, 18976, 23720, 29248, 36560, 37952, 47440, 73120, 94880, 146240, 189760, 271001, 542002, 1084004, 1355005, 2168008, 2710010, 4336016, 5420020, 8672032, 10840040, 17344064, 21680080, 43360160, 86720320]

約数ペア:

[(1, 86720320), (2, 43360160), (4, 21680080), (5, 17344064), (8, 10840040), (10, 8672032), (16, 5420020), (20, 4336016), (32, 2710010), (40, 2168008), (64, 1355005), (80, 1084004), (160, 542002), (320, 271001), (457, 189760), (593, 146240), (914, 94880), (1186, 73120), (1828, 47440), (2285, 37952), (2372, 36560), (2965, 29248), (3656, 23720), (4570, 18976), (4744, 18280), (5930, 14624), (7312, 11860), (9140, 9488)]