27679280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11161}}^1$

素因数の和:11205

約数の個数: 40

約数和(自身を含む): 66436224

約数和(自身を除く): 38756944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11161, 22322, 44644, 55805, 89288, 111610, 178576, 223220, 345991, 446440, 691982, 892880, 1383964, 1729955, 2767928, 3459910, 5535856, 6919820, 13839640, 27679280]

約数ペア:

[(1, 27679280), (2, 13839640), (4, 6919820), (5, 5535856), (8, 3459910), (10, 2767928), (16, 1729955), (20, 1383964), (31, 892880), (40, 691982), (62, 446440), (80, 345991), (124, 223220), (155, 178576), (248, 111610), (310, 89288), (496, 55805), (620, 44644), (1240, 22322), (2480, 11161)]