78449920

素因数分解:

$2^8\times 5^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 189552384

約数和(自身を除く): 111102464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 256, 320, 334, 367, 640, 668, 734, 835, 1280, 1336, 1468, 1670, 1835, 2672, 2936, 3340, 3670, 5344, 5872, 6680, 7340, 10688, 11744, 13360, 14680, 21376, 23488, 26720, 29360, 42752, 46976, 53440, 58720, 61289, 93952, 106880, 117440, 122578, 213760, 234880, 245156, 306445, 469760, 490312, 612890, 980624, 1225780, 1961248, 2451560, 3922496, 4903120, 7844992, 9806240, 15689984, 19612480, 39224960, 78449920]

約数ペア:

[(1, 78449920), (2, 39224960), (4, 19612480), (5, 15689984), (8, 9806240), (10, 7844992), (16, 4903120), (20, 3922496), (32, 2451560), (40, 1961248), (64, 1225780), (80, 980624), (128, 612890), (160, 490312), (167, 469760), (256, 306445), (320, 245156), (334, 234880), (367, 213760), (640, 122578), (668, 117440), (734, 106880), (835, 93952), (1280, 61289), (1336, 58720), (1468, 53440), (1670, 46976), (1835, 42752), (2672, 29360), (2936, 26720), (3340, 23488), (3670, 21376), (5344, 14680), (5872, 13360), (6680, 11744), (7340, 10688)]