142000520

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2467}}^1$

素因数の和:3917

約数の個数: 32

約数和(自身を含む): 319852800

約数和(自身を除く): 177852280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 2467, 2878, 4934, 5756, 7195, 9868, 11512, 12335, 14390, 19736, 24670, 28780, 49340, 57560, 98680, 3550013, 7100026, 14200052, 17750065, 28400104, 35500130, 71000260, 142000520]

約数ペア:

[(1, 142000520), (2, 71000260), (4, 35500130), (5, 28400104), (8, 17750065), (10, 14200052), (20, 7100026), (40, 3550013), (1439, 98680), (2467, 57560), (2878, 49340), (4934, 28780), (5756, 24670), (7195, 19736), (9868, 14390), (11512, 12335)]