28964480

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 40950400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 271, 320, 334, 542, 640, 668, 835, 1084, 1336, 1355, 1670, 2168, 2672, 2710, 3340, 4336, 5344, 5420, 6680, 8672, 10688, 10840, 13360, 17344, 21376, 21680, 26720, 34688, 43360, 45257, 53440, 86720, 90514, 106880, 173440, 181028, 226285, 362056, 452570, 724112, 905140, 1448224, 1810280, 2896448, 3620560, 5792896, 7241120, 14482240, 28964480]

約数ペア:

[(1, 28964480), (2, 14482240), (4, 7241120), (5, 5792896), (8, 3620560), (10, 2896448), (16, 1810280), (20, 1448224), (32, 905140), (40, 724112), (64, 452570), (80, 362056), (128, 226285), (160, 181028), (167, 173440), (271, 106880), (320, 90514), (334, 86720), (542, 53440), (640, 45257), (668, 43360), (835, 34688), (1084, 26720), (1336, 21680), (1355, 21376), (1670, 17344), (2168, 13360), (2672, 10840), (2710, 10688), (3340, 8672), (4336, 6680), (5344, 5420)]