79000480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 96

約数和(自身を含む): 211680000

約数和(自身を除く): 132679520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 1999, 2080, 2470, 3040, 3952, 3998, 4940, 7904, 7996, 9880, 9995, 15992, 19760, 19990, 25987, 31984, 37981, 39520, 39980, 51974, 63968, 75962, 79960, 103948, 129935, 151924, 159920, 189905, 207896, 259870, 303848, 319840, 379810, 415792, 493753, 519740, 607696, 759620, 831584, 987506, 1039480, 1215392, 1519240, 1975012, 2078960, 2468765, 3038480, 3950024, 4157920, 4937530, 6076960, 7900048, 9875060, 15800096, 19750120, 39500240, 79000480]

約数ペア:

[(1, 79000480), (2, 39500240), (4, 19750120), (5, 15800096), (8, 9875060), (10, 7900048), (13, 6076960), (16, 4937530), (19, 4157920), (20, 3950024), (26, 3038480), (32, 2468765), (38, 2078960), (40, 1975012), (52, 1519240), (65, 1215392), (76, 1039480), (80, 987506), (95, 831584), (104, 759620), (130, 607696), (152, 519740), (160, 493753), (190, 415792), (208, 379810), (247, 319840), (260, 303848), (304, 259870), (380, 207896), (416, 189905), (494, 159920), (520, 151924), (608, 129935), (760, 103948), (988, 79960), (1040, 75962), (1235, 63968), (1520, 51974), (1976, 39980), (1999, 39520), (2080, 37981), (2470, 31984), (3040, 25987), (3952, 19990), (3998, 19760), (4940, 15992), (7904, 9995), (7996, 9880)]