80304980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5569}}^1$

素因数の和:5688

約数の個数: 48

約数和(自身を含む): 194638080

約数和(自身を除く): 114333100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 5569, 7210, 11138, 14420, 22276, 27845, 38983, 55690, 77966, 111380, 155932, 194915, 389830, 573607, 779660, 1147214, 2294428, 2868035, 4015249, 5736070, 8030498, 11472140, 16060996, 20076245, 40152490, 80304980]

約数ペア:

[(1, 80304980), (2, 40152490), (4, 20076245), (5, 16060996), (7, 11472140), (10, 8030498), (14, 5736070), (20, 4015249), (28, 2868035), (35, 2294428), (70, 1147214), (103, 779660), (140, 573607), (206, 389830), (412, 194915), (515, 155932), (721, 111380), (1030, 77966), (1442, 55690), (2060, 38983), (2884, 27845), (3605, 22276), (5569, 14420), (7210, 11138)]