8787255040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{221453}}^1$

素因数の和:221505

約数の個数: 72

約数和(自身を含む): 21727294848

約数和(自身を除く): 12940039808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 221453, 442906, 885812, 1107265, 1771624, 2214530, 3543248, 4429060, 6865043, 7086496, 8858120, 13730086, 14172992, 17716240, 27460172, 28345984, 34325215, 35432480, 54920344, 56691968, 68650430, 70864960, 109840688, 137300860, 141729920, 219681376, 274601720, 283459840, 439362752, 549203440, 878725504, 1098406880, 1757451008, 2196813760, 4393627520, 8787255040]

約数ペア:

[(1, 8787255040), (2, 4393627520), (4, 2196813760), (5, 1757451008), (8, 1098406880), (10, 878725504), (16, 549203440), (20, 439362752), (31, 283459840), (32, 274601720), (40, 219681376), (62, 141729920), (64, 137300860), (80, 109840688), (124, 70864960), (128, 68650430), (155, 56691968), (160, 54920344), (248, 35432480), (256, 34325215), (310, 28345984), (320, 27460172), (496, 17716240), (620, 14172992), (640, 13730086), (992, 8858120), (1240, 7086496), (1280, 6865043), (1984, 4429060), (2480, 3543248), (3968, 2214530), (4960, 1771624), (7936, 1107265), (9920, 885812), (19840, 442906), (39680, 221453)]