51997120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 143377920

約数和(自身を除く): 91380800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 167, 224, 278, 280, 320, 334, 448, 556, 560, 668, 695, 835, 973, 1112, 1120, 1169, 1336, 1390, 1670, 1946, 2224, 2240, 2338, 2672, 2780, 3340, 3892, 4448, 4676, 4865, 5344, 5560, 5845, 6680, 7784, 8896, 9352, 9730, 10688, 11120, 11690, 13360, 15568, 18704, 19460, 22240, 23213, 23380, 26720, 31136, 37408, 38920, 44480, 46426, 46760, 53440, 62272, 74816, 77840, 92852, 93520, 116065, 155680, 162491, 185704, 187040, 232130, 311360, 324982, 371408, 374080, 464260, 649964, 742816, 812455, 928520, 1299928, 1485632, 1624910, 1857040, 2599856, 3249820, 3714080, 5199712, 6499640, 7428160, 10399424, 12999280, 25998560, 51997120]

約数ペア:

[(1, 51997120), (2, 25998560), (4, 12999280), (5, 10399424), (7, 7428160), (8, 6499640), (10, 5199712), (14, 3714080), (16, 3249820), (20, 2599856), (28, 1857040), (32, 1624910), (35, 1485632), (40, 1299928), (56, 928520), (64, 812455), (70, 742816), (80, 649964), (112, 464260), (139, 374080), (140, 371408), (160, 324982), (167, 311360), (224, 232130), (278, 187040), (280, 185704), (320, 162491), (334, 155680), (448, 116065), (556, 93520), (560, 92852), (668, 77840), (695, 74816), (835, 62272), (973, 53440), (1112, 46760), (1120, 46426), (1169, 44480), (1336, 38920), (1390, 37408), (1670, 31136), (1946, 26720), (2224, 23380), (2240, 23213), (2338, 22240), (2672, 19460), (2780, 18704), (3340, 15568), (3892, 13360), (4448, 11690), (4676, 11120), (4865, 10688), (5344, 9730), (5560, 9352), (5845, 8896), (6680, 7784)]