87185980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7883}}^1$

素因数の和:7978

約数の個数: 48

約数和(自身を含む): 211921920

約数和(自身を除く): 124735940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7883, 11060, 15766, 31532, 39415, 55181, 78830, 110362, 157660, 220724, 275905, 551810, 622757, 1103620, 1245514, 2491028, 3113785, 4359299, 6227570, 8718598, 12455140, 17437196, 21796495, 43592990, 87185980]

約数ペア:

[(1, 87185980), (2, 43592990), (4, 21796495), (5, 17437196), (7, 12455140), (10, 8718598), (14, 6227570), (20, 4359299), (28, 3113785), (35, 2491028), (70, 1245514), (79, 1103620), (140, 622757), (158, 551810), (316, 275905), (395, 220724), (553, 157660), (790, 110362), (1106, 78830), (1580, 55181), (2212, 39415), (2765, 31532), (5530, 15766), (7883, 11060)]