38400440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73847}}^1$

素因数の和:73871

約数の個数: 32

約数和(自身を含む): 93048480

約数和(自身を除く): 54648040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 73847, 147694, 295388, 369235, 590776, 738470, 960011, 1476940, 1920022, 2953880, 3840044, 4800055, 7680088, 9600110, 19200220, 38400440]

約数ペア:

[(1, 38400440), (2, 19200220), (4, 9600110), (5, 7680088), (8, 4800055), (10, 3840044), (13, 2953880), (20, 1920022), (26, 1476940), (40, 960011), (52, 738470), (65, 590776), (104, 369235), (130, 295388), (260, 147694), (520, 73847)]