82866940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 192925152

約数和(自身を除く): 110058212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 71, 130, 134, 142, 260, 268, 284, 335, 355, 670, 710, 871, 923, 1340, 1420, 1742, 1846, 3484, 3692, 4355, 4489, 4615, 4757, 8710, 8978, 9230, 9514, 17420, 17956, 18460, 19028, 22445, 23785, 44890, 47570, 58357, 61841, 89780, 95140, 116714, 123682, 233428, 247364, 291785, 309205, 318719, 583570, 618410, 637438, 1167140, 1236820, 1274876, 1593595, 3187190, 4143347, 6374380, 8286694, 16573388, 20716735, 41433470, 82866940]

約数ペア:

[(1, 82866940), (2, 41433470), (4, 20716735), (5, 16573388), (10, 8286694), (13, 6374380), (20, 4143347), (26, 3187190), (52, 1593595), (65, 1274876), (67, 1236820), (71, 1167140), (130, 637438), (134, 618410), (142, 583570), (260, 318719), (268, 309205), (284, 291785), (335, 247364), (355, 233428), (670, 123682), (710, 116714), (871, 95140), (923, 89780), (1340, 61841), (1420, 58357), (1742, 47570), (1846, 44890), (3484, 23785), (3692, 22445), (4355, 19028), (4489, 18460), (4615, 17956), (4757, 17420), (8710, 9514), (8978, 9230)]