12082780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 26320896

約数和(自身を除く): 14238116

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 127, 134, 142, 254, 268, 284, 335, 355, 508, 635, 670, 710, 1270, 1340, 1420, 2540, 4757, 8509, 9017, 9514, 17018, 18034, 19028, 23785, 34036, 36068, 42545, 45085, 47570, 85090, 90170, 95140, 170180, 180340, 604139, 1208278, 2416556, 3020695, 6041390, 12082780]

約数ペア:

[(1, 12082780), (2, 6041390), (4, 3020695), (5, 2416556), (10, 1208278), (20, 604139), (67, 180340), (71, 170180), (127, 95140), (134, 90170), (142, 85090), (254, 47570), (268, 45085), (284, 42545), (335, 36068), (355, 34036), (508, 23785), (635, 19028), (670, 18034), (710, 17018), (1270, 9514), (1340, 9017), (1420, 8509), (2540, 4757)]