12838540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 32154192

約数和(自身を除く): 19315652

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 67, 110, 130, 134, 143, 220, 260, 268, 286, 335, 572, 670, 715, 737, 871, 1340, 1430, 1474, 1742, 2860, 2948, 3484, 3685, 4355, 4489, 7370, 8710, 8978, 9581, 14740, 17420, 17956, 19162, 22445, 38324, 44890, 47905, 49379, 58357, 89780, 95810, 98758, 116714, 191620, 197516, 233428, 246895, 291785, 493790, 583570, 641927, 987580, 1167140, 1283854, 2567708, 3209635, 6419270, 12838540]

約数ペア:

[(1, 12838540), (2, 6419270), (4, 3209635), (5, 2567708), (10, 1283854), (11, 1167140), (13, 987580), (20, 641927), (22, 583570), (26, 493790), (44, 291785), (52, 246895), (55, 233428), (65, 197516), (67, 191620), (110, 116714), (130, 98758), (134, 95810), (143, 89780), (220, 58357), (260, 49379), (268, 47905), (286, 44890), (335, 38324), (572, 22445), (670, 19162), (715, 17956), (737, 17420), (871, 14740), (1340, 9581), (1430, 8978), (1474, 8710), (1742, 7370), (2860, 4489), (2948, 4355), (3484, 3685)]