25307380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 61165440

約数和(自身を除く): 35858060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1109, 1141, 1630, 2218, 2282, 3260, 4436, 4564, 5545, 5705, 7763, 11090, 11410, 15526, 22180, 22820, 31052, 38815, 77630, 155260, 180767, 361534, 723068, 903835, 1265369, 1807670, 2530738, 3615340, 5061476, 6326845, 12653690, 25307380]

約数ペア:

[(1, 25307380), (2, 12653690), (4, 6326845), (5, 5061476), (7, 3615340), (10, 2530738), (14, 1807670), (20, 1265369), (28, 903835), (35, 723068), (70, 361534), (140, 180767), (163, 155260), (326, 77630), (652, 38815), (815, 31052), (1109, 22820), (1141, 22180), (1630, 15526), (2218, 11410), (2282, 11090), (3260, 7763), (4436, 5705), (4564, 5545)]