27486940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 63080640

約数和(自身を除く): 35593700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1489, 1846, 2978, 3692, 4615, 5956, 7445, 9230, 14890, 18460, 19357, 29780, 38714, 77428, 96785, 105719, 193570, 211438, 387140, 422876, 528595, 1057190, 1374347, 2114380, 2748694, 5497388, 6871735, 13743470, 27486940]

約数ペア:

[(1, 27486940), (2, 13743470), (4, 6871735), (5, 5497388), (10, 2748694), (13, 2114380), (20, 1374347), (26, 1057190), (52, 528595), (65, 422876), (71, 387140), (130, 211438), (142, 193570), (260, 105719), (284, 96785), (355, 77428), (710, 38714), (923, 29780), (1420, 19357), (1489, 18460), (1846, 14890), (2978, 9230), (3692, 7445), (4615, 5956)]