27564820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 64985760

約数和(自身を除く): 37420940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 251, 289, 323, 340, 380, 502, 578, 646, 1004, 1156, 1255, 1292, 1445, 1615, 2510, 2890, 3230, 4267, 4769, 5020, 5491, 5780, 6460, 8534, 9538, 10982, 17068, 19076, 21335, 21964, 23845, 27455, 42670, 47690, 54910, 72539, 81073, 85340, 95380, 109820, 145078, 162146, 290156, 324292, 362695, 405365, 725390, 810730, 1378241, 1450780, 1621460, 2756482, 5512964, 6891205, 13782410, 27564820]

約数ペア:

[(1, 27564820), (2, 13782410), (4, 6891205), (5, 5512964), (10, 2756482), (17, 1621460), (19, 1450780), (20, 1378241), (34, 810730), (38, 725390), (68, 405365), (76, 362695), (85, 324292), (95, 290156), (170, 162146), (190, 145078), (251, 109820), (289, 95380), (323, 85340), (340, 81073), (380, 72539), (502, 54910), (578, 47690), (646, 42670), (1004, 27455), (1156, 23845), (1255, 21964), (1292, 21335), (1445, 19076), (1615, 17068), (2510, 10982), (2890, 9538), (3230, 8534), (4267, 6460), (4769, 5780), (5020, 5491)]