42479440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27947}}^1$

素因数の和:27979

約数の個数: 40

約数和(自身を含む): 103966560

約数和(自身を除く): 61487120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 27947, 55894, 111788, 139735, 223576, 279470, 447152, 530993, 558940, 1061986, 1117880, 2123972, 2235760, 2654965, 4247944, 5309930, 8495888, 10619860, 21239720, 42479440]

約数ペア:

[(1, 42479440), (2, 21239720), (4, 10619860), (5, 8495888), (8, 5309930), (10, 4247944), (16, 2654965), (19, 2235760), (20, 2123972), (38, 1117880), (40, 1061986), (76, 558940), (80, 530993), (95, 447152), (152, 279470), (190, 223576), (304, 139735), (380, 111788), (760, 55894), (1520, 27947)]