7405280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 18071424

約数和(自身を除く): 10666144

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, 1493, 2480, 2986, 4960, 5972, 7465, 11944, 14930, 23888, 29860, 46283, 47776, 59720, 92566, 119440, 185132, 231415, 238880, 370264, 462830, 740528, 925660, 1481056, 1851320, 3702640, 7405280]

約数ペア:

[(1, 7405280), (2, 3702640), (4, 1851320), (5, 1481056), (8, 925660), (10, 740528), (16, 462830), (20, 370264), (31, 238880), (32, 231415), (40, 185132), (62, 119440), (80, 92566), (124, 59720), (155, 47776), (160, 46283), (248, 29860), (310, 23888), (496, 14930), (620, 11944), (992, 7465), (1240, 5972), (1493, 4960), (2480, 2986)]