1279493080

素因数分解:

$2^3\times 5^1\times {\mathrm{4261}}^1\times {\mathrm{7507}}^1$

素因数の和:11779

約数の個数: 32

約数和(自身を含む): 2879918640

約数和(自身を除く): 1600425560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4261, 7507, 8522, 15014, 17044, 21305, 30028, 34088, 37535, 42610, 60056, 75070, 85220, 150140, 170440, 300280, 31987327, 63974654, 127949308, 159936635, 255898616, 319873270, 639746540, 1279493080]

約数ペア:

[(1, 1279493080), (2, 639746540), (4, 319873270), (5, 255898616), (8, 159936635), (10, 127949308), (20, 63974654), (40, 31987327), (4261, 300280), (7507, 170440), (8522, 150140), (15014, 85220), (17044, 75070), (21305, 60056), (30028, 42610), (34088, 37535)]