291226178920

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{10536403}}^1$

素因数の和:10537105

約数の個数: 32

約数和(自身を含む): 656207241120

約数和(自身を除く): 364981062200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 13820, 27640, 10536403, 21072806, 42145612, 52682015, 84291224, 105364030, 210728060, 421456120, 7280654473, 14561308946, 29122617892, 36403272365, 58245235784, 72806544730, 145613089460, 291226178920]

約数ペア:

[(1, 291226178920), (2, 145613089460), (4, 72806544730), (5, 58245235784), (8, 36403272365), (10, 29122617892), (20, 14561308946), (40, 7280654473), (691, 421456120), (1382, 210728060), (2764, 105364030), (3455, 84291224), (5528, 52682015), (6910, 42145612), (13820, 21072806), (27640, 10536403)]