9885280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 24119424

約数和(自身を除く): 14234144

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, 1993, 2480, 3986, 4960, 7972, 9965, 15944, 19930, 31888, 39860, 61783, 63776, 79720, 123566, 159440, 247132, 308915, 318880, 494264, 617830, 988528, 1235660, 1977056, 2471320, 4942640, 9885280]

約数ペア:

[(1, 9885280), (2, 4942640), (4, 2471320), (5, 1977056), (8, 1235660), (10, 988528), (16, 617830), (20, 494264), (31, 318880), (32, 308915), (40, 247132), (62, 159440), (80, 123566), (124, 79720), (155, 63776), (160, 61783), (248, 39860), (310, 31888), (496, 19930), (620, 15944), (992, 9965), (1240, 7972), (1993, 4960), (2480, 3986)]