1663161640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5939863}}^1$

素因数の和:5939881

約数の個数: 32

約数和(自身を含む): 4276702080

約数和(自身を除く): 2613540440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5939863, 11879726, 23759452, 29699315, 41579041, 47518904, 59398630, 83158082, 118797260, 166316164, 207895205, 237594520, 332632328, 415790410, 831580820, 1663161640]

約数ペア:

[(1, 1663161640), (2, 831580820), (4, 415790410), (5, 332632328), (7, 237594520), (8, 207895205), (10, 166316164), (14, 118797260), (20, 83158082), (28, 59398630), (35, 47518904), (40, 41579041), (56, 29699315), (70, 23759452), (140, 11879726), (280, 5939863)]