127174400

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 108

約数和(自身を含む): 325437504

約数和(自身を除く): 198263104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 620, 640, 641, 775, 800, 992, 1240, 1280, 1282, 1550, 1600, 1984, 2480, 2564, 3100, 3200, 3205, 3968, 4960, 5128, 6200, 6400, 6410, 7936, 9920, 10256, 12400, 12820, 16025, 19840, 19871, 20512, 24800, 25640, 32050, 39680, 39742, 41024, 49600, 51280, 64100, 79484, 82048, 99200, 99355, 102560, 128200, 158968, 164096, 198400, 198710, 205120, 256400, 317936, 397420, 410240, 496775, 512800, 635872, 794840, 820480, 993550, 1025600, 1271744, 1589680, 1987100, 2051200, 2543488, 3179360, 3974200, 4102400, 5086976, 6358720, 7948400, 12717440, 15896800, 25434880, 31793600, 63587200, 127174400]

約数ペア:

[(1, 127174400), (2, 63587200), (4, 31793600), (5, 25434880), (8, 15896800), (10, 12717440), (16, 7948400), (20, 6358720), (25, 5086976), (31, 4102400), (32, 3974200), (40, 3179360), (50, 2543488), (62, 2051200), (64, 1987100), (80, 1589680), (100, 1271744), (124, 1025600), (128, 993550), (155, 820480), (160, 794840), (200, 635872), (248, 512800), (256, 496775), (310, 410240), (320, 397420), (400, 317936), (496, 256400), (620, 205120), (640, 198710), (641, 198400), (775, 164096), (800, 158968), (992, 128200), (1240, 102560), (1280, 99355), (1282, 99200), (1550, 82048), (1600, 79484), (1984, 64100), (2480, 51280), (2564, 49600), (3100, 41024), (3200, 39742), (3205, 39680), (3968, 32050), (4960, 25640), (5128, 24800), (6200, 20512), (6400, 19871), (6410, 19840), (7936, 16025), (9920, 12820), (10256, 12400)]