29712640

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 72112320

約数和(自身を除く): 42399680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 167, 256, 278, 320, 334, 556, 640, 668, 695, 835, 1112, 1280, 1336, 1390, 1670, 2224, 2672, 2780, 3340, 4448, 5344, 5560, 6680, 8896, 10688, 11120, 13360, 17792, 21376, 22240, 23213, 26720, 35584, 42752, 44480, 46426, 53440, 88960, 92852, 106880, 116065, 177920, 185704, 213760, 232130, 371408, 464260, 742816, 928520, 1485632, 1857040, 2971264, 3714080, 5942528, 7428160, 14856320, 29712640]

約数ペア:

[(1, 29712640), (2, 14856320), (4, 7428160), (5, 5942528), (8, 3714080), (10, 2971264), (16, 1857040), (20, 1485632), (32, 928520), (40, 742816), (64, 464260), (80, 371408), (128, 232130), (139, 213760), (160, 185704), (167, 177920), (256, 116065), (278, 106880), (320, 92852), (334, 88960), (556, 53440), (640, 46426), (668, 44480), (695, 42752), (835, 35584), (1112, 26720), (1280, 23213), (1336, 22240), (1390, 21376), (1670, 17792), (2224, 13360), (2672, 11120), (2780, 10688), (3340, 8896), (4448, 6680), (5344, 5560)]