78959920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3301}}^1$

素因数の和:3350

約数の個数: 80

約数和(自身を含む): 206361792

約数和(自身を除く): 127401872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 368, 460, 520, 598, 920, 1040, 1196, 1495, 1840, 2392, 2990, 3301, 4784, 5980, 6602, 11960, 13204, 16505, 23920, 26408, 33010, 42913, 52816, 66020, 75923, 85826, 132040, 151846, 171652, 214565, 264080, 303692, 343304, 379615, 429130, 607384, 686608, 759230, 858260, 986999, 1214768, 1518460, 1716520, 1973998, 3036920, 3433040, 3947996, 4934995, 6073840, 7895992, 9869990, 15791984, 19739980, 39479960, 78959920]

約数ペア:

[(1, 78959920), (2, 39479960), (4, 19739980), (5, 15791984), (8, 9869990), (10, 7895992), (13, 6073840), (16, 4934995), (20, 3947996), (23, 3433040), (26, 3036920), (40, 1973998), (46, 1716520), (52, 1518460), (65, 1214768), (80, 986999), (92, 858260), (104, 759230), (115, 686608), (130, 607384), (184, 429130), (208, 379615), (230, 343304), (260, 303692), (299, 264080), (368, 214565), (460, 171652), (520, 151846), (598, 132040), (920, 85826), (1040, 75923), (1196, 66020), (1495, 52816), (1840, 42913), (2392, 33010), (2990, 26408), (3301, 23920), (4784, 16505), (5980, 13204), (6602, 11960)]