40910080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 72

約数和(自身を含む): 101251584

約数和(自身を除く): 60341504

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, 1031, 1240, 1280, 1984, 2062, 2480, 3968, 4124, 4960, 5155, 7936, 8248, 9920, 10310, 16496, 19840, 20620, 31961, 32992, 39680, 41240, 63922, 65984, 82480, 127844, 131968, 159805, 164960, 255688, 263936, 319610, 329920, 511376, 639220, 659840, 1022752, 1278440, 1319680, 2045504, 2556880, 4091008, 5113760, 8182016, 10227520, 20455040, 40910080]

約数ペア:

[(1, 40910080), (2, 20455040), (4, 10227520), (5, 8182016), (8, 5113760), (10, 4091008), (16, 2556880), (20, 2045504), (31, 1319680), (32, 1278440), (40, 1022752), (62, 659840), (64, 639220), (80, 511376), (124, 329920), (128, 319610), (155, 263936), (160, 255688), (248, 164960), (256, 159805), (310, 131968), (320, 127844), (496, 82480), (620, 65984), (640, 63922), (992, 41240), (1031, 39680), (1240, 32992), (1280, 31961), (1984, 20620), (2062, 19840), (2480, 16496), (3968, 10310), (4124, 9920), (4960, 8248), (5155, 7936)]