487966120

素因数分解:

$2^3\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{6121}}^1$

素因数の和:8125

約数の個数: 32

約数和(自身を含む): 1098654120

約数和(自身を除く): 610688000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1993, 3986, 6121, 7972, 9965, 12242, 15944, 19930, 24484, 30605, 39860, 48968, 61210, 79720, 122420, 244840, 12199153, 24398306, 48796612, 60995765, 97593224, 121991530, 243983060, 487966120]

約数ペア:

[(1, 487966120), (2, 243983060), (4, 121991530), (5, 97593224), (8, 60995765), (10, 48796612), (20, 24398306), (40, 12199153), (1993, 244840), (3986, 122420), (6121, 79720), (7972, 61210), (9965, 48968), (12242, 39860), (15944, 30605), (19930, 24484)]