69820280

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{1439}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 157334400

約数和(自身を除く): 87514120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 1439, 2426, 2878, 4852, 5756, 6065, 7195, 9704, 11512, 12130, 14390, 24260, 28780, 48520, 57560, 1745507, 3491014, 6982028, 8727535, 13964056, 17455070, 34910140, 69820280]

約数ペア:

[(1, 69820280), (2, 34910140), (4, 17455070), (5, 13964056), (8, 8727535), (10, 6982028), (20, 3491014), (40, 1745507), (1213, 57560), (1439, 48520), (2426, 28780), (2878, 24260), (4852, 14390), (5756, 12130), (6065, 11512), (7195, 9704)]