156939440120

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6120883}}^1$

素因数の和:6121535

約数の個数: 32

約数和(自身を含む): 353664677520

約数和(自身を除く): 196725237400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 5128, 6410, 12820, 25640, 6120883, 12241766, 24483532, 30604415, 48967064, 61208830, 122417660, 244835320, 3923486003, 7846972006, 15693944012, 19617430015, 31387888024, 39234860030, 78469720060, 156939440120]

約数ペア:

[(1, 156939440120), (2, 78469720060), (4, 39234860030), (5, 31387888024), (8, 19617430015), (10, 15693944012), (20, 7846972006), (40, 3923486003), (641, 244835320), (1282, 122417660), (2564, 61208830), (3205, 48967064), (5128, 30604415), (6410, 24483532), (12820, 12241766), (25640, 6120883)]