39960440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76847}}^1$

素因数の和:76871

約数の個数: 32

約数和(自身を含む): 96828480

約数和(自身を除く): 56868040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76847, 153694, 307388, 384235, 614776, 768470, 999011, 1536940, 1998022, 3073880, 3996044, 4995055, 7992088, 9990110, 19980220, 39960440]

約数ペア:

[(1, 39960440), (2, 19980220), (4, 9990110), (5, 7992088), (8, 4995055), (10, 3996044), (13, 3073880), (20, 1998022), (26, 1536940), (40, 999011), (52, 768470), (65, 614776), (104, 384235), (130, 307388), (260, 153694), (520, 76847)]