28359040

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 68837760

約数和(自身を除く): 40478720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 607, 640, 730, 1168, 1214, 1460, 2336, 2428, 2920, 3035, 4672, 4856, 5840, 6070, 9344, 9712, 11680, 12140, 19424, 23360, 24280, 38848, 44311, 46720, 48560, 77696, 88622, 97120, 177244, 194240, 221555, 354488, 388480, 443110, 708976, 886220, 1417952, 1772440, 2835904, 3544880, 5671808, 7089760, 14179520, 28359040]

約数ペア:

[(1, 28359040), (2, 14179520), (4, 7089760), (5, 5671808), (8, 3544880), (10, 2835904), (16, 1772440), (20, 1417952), (32, 886220), (40, 708976), (64, 443110), (73, 388480), (80, 354488), (128, 221555), (146, 194240), (160, 177244), (292, 97120), (320, 88622), (365, 77696), (584, 48560), (607, 46720), (640, 44311), (730, 38848), (1168, 24280), (1214, 23360), (1460, 19424), (2336, 12140), (2428, 11680), (2920, 9712), (3035, 9344), (4672, 6070), (4856, 5840)]