80891045.000000000

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30493}}^1$

素因数の和:30539

約数の個数: 48

約数和(自身を含む): 368855424

約数和(自身を除く): 217610144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 30493, 60986, 121972, 152465, 243944, 304930, 487888, 609860, 945283, 975776, 1219720, 1890566, 2439440, 3781132, 4726415, 4878880, 7562264, 9452830, 15124528, 18905660, 30249056, 37811320, 75622640, 151245280]

約数ペア:

[(1, 151245280), (2, 75622640), (4, 37811320), (5, 30249056), (8, 18905660), (10, 15124528), (16, 9452830), (20, 7562264), (31, 4878880), (32, 4726415), (40, 3781132), (62, 2439440), (80, 1890566), (124, 1219720), (155, 975776), (160, 945283), (248, 609860), (310, 487888), (496, 304930), (620, 243944), (992, 152465), (1240, 121972), (2480, 60986), (4960, 30493)]