99780260

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{3467}}^1$

素因数の和:4915

約数の個数: 24

約数和(自身を含む): 209744640

約数和(自身を除く): 109964380

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2878, 3467, 5756, 6934, 7195, 13868, 14390, 17335, 28780, 34670, 69340, 4989013, 9978026, 19956052, 24945065, 49890130, 99780260]

約数ペア:

[(1, 99780260), (2, 49890130), (4, 24945065), (5, 19956052), (10, 9978026), (20, 4989013), (1439, 69340), (2878, 34670), (3467, 28780), (5756, 17335), (6934, 14390), (7195, 13868)]