8889736760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1\times {\mathrm{4583}}^1$

素因数の和:5348

約数の個数: 64

約数和(自身を含む): 20317754880

約数和(自身を除く): 11428018120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 683, 710, 1366, 1420, 2732, 2840, 3415, 4583, 5464, 6830, 9166, 13660, 18332, 22915, 27320, 36664, 45830, 48493, 91660, 96986, 183320, 193972, 242465, 325393, 387944, 484930, 650786, 969860, 1301572, 1626965, 1939720, 2603144, 3130189, 3253930, 6260378, 6507860, 12520756, 13015720, 15650945, 25041512, 31301890, 62603780, 125207560, 222243419, 444486838, 888973676, 1111217095, 1777947352, 2222434190, 4444868380, 8889736760]

約数ペア:

[(1, 8889736760), (2, 4444868380), (4, 2222434190), (5, 1777947352), (8, 1111217095), (10, 888973676), (20, 444486838), (40, 222243419), (71, 125207560), (142, 62603780), (284, 31301890), (355, 25041512), (568, 15650945), (683, 13015720), (710, 12520756), (1366, 6507860), (1420, 6260378), (2732, 3253930), (2840, 3130189), (3415, 2603144), (4583, 1939720), (5464, 1626965), (6830, 1301572), (9166, 969860), (13660, 650786), (18332, 484930), (22915, 387944), (27320, 325393), (36664, 242465), (45830, 193972), (48493, 183320), (91660, 96986)]