80171840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5113}}^1$

素因数の和:5144

約数の個数: 84

約数和(自身を含む): 222121476

約数和(自身を除く): 141949636

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5113, 7840, 10226, 15680, 20452, 25565, 35791, 40904, 51130, 71582, 81808, 102260, 143164, 163616, 178955, 204520, 250537, 286328, 327232, 357910, 409040, 501074, 572656, 715820, 818080, 1002148, 1145312, 1252685, 1431640, 1636160, 2004296, 2290624, 2505370, 2863280, 4008592, 5010740, 5726560, 8017184, 10021480, 11453120, 16034368, 20042960, 40085920, 80171840]

約数ペア:

[(1, 80171840), (2, 40085920), (4, 20042960), (5, 16034368), (7, 11453120), (8, 10021480), (10, 8017184), (14, 5726560), (16, 5010740), (20, 4008592), (28, 2863280), (32, 2505370), (35, 2290624), (40, 2004296), (49, 1636160), (56, 1431640), (64, 1252685), (70, 1145312), (80, 1002148), (98, 818080), (112, 715820), (140, 572656), (160, 501074), (196, 409040), (224, 357910), (245, 327232), (280, 286328), (320, 250537), (392, 204520), (448, 178955), (490, 163616), (560, 143164), (784, 102260), (980, 81808), (1120, 71582), (1568, 51130), (1960, 40904), (2240, 35791), (3136, 25565), (3920, 20452), (5113, 15680), (7840, 10226)]