15897040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11689}}^1$

素因数の和:11719

約数の個数: 40

約数和(自身を含む): 39138120

約数和(自身を除く): 23241080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11689, 23378, 46756, 58445, 93512, 116890, 187024, 198713, 233780, 397426, 467560, 794852, 935120, 993565, 1589704, 1987130, 3179408, 3974260, 7948520, 15897040]

約数ペア:

[(1, 15897040), (2, 7948520), (4, 3974260), (5, 3179408), (8, 1987130), (10, 1589704), (16, 993565), (17, 935120), (20, 794852), (34, 467560), (40, 397426), (68, 233780), (80, 198713), (85, 187024), (136, 116890), (170, 93512), (272, 58445), (340, 46756), (680, 23378), (1360, 11689)]